IEM VTEC Product Browser
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13 Nov 2024 Update: The tool was updated to use non-hash link style URLs. A shim is in place to translate the old URLs to the new ones, so nothing should be broken (famous last words). This was done to allow the HTML5 History API to provide a better user experience.
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2025 [KRIW] RIVERTON Winter Storm (WS) Watch (A) Number 4
Listing of Counties/Parishes/Zones Included in Product
RADAR Composite at Issuance Time
Storm Based Warning History
892 WWUS45 KRIW 040758 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 1258 AM MST Tue Mar 4 2025 WYZ014-015-019-024-042300- /O.NEW.KRIW.WS.A.0004.250306T0600Z-250307T1200Z/ Wind River Mountains West-Wind River Mountains East-Green Mountains and Rattlesnake Range-Salt River and Wyoming Ranges- Including the cities of Jeffrey City 1258 AM MST Tue Mar 4 2025 ...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH LATE THURSDAY NIGHT... * WHAT...Heavy snow possible. Total snow accumulations of 6 to 16 inches and up to 20 inches at the peaks along the southern end of the Wind River Mountains possible. Winds could gust as high as 45 mph. * WHERE...Green Mountains and Rattlesnake Range, Wind River Mountains East, Wind River Mountains West, and Salt River and Wyoming Ranges. * WHEN...From Wednesday evening through late Thursday night. * IMPACTS...Travel could be very difficult, especially over Salt Pass and South Pass. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ025-026-042300- /O.NEW.KRIW.WS.A.0004.250306T0600Z-250307T1200Z/ Upper Green River Basin Foothills-Upper Green River Basin- Including the cities of La Barge, Big Piney, Pinedale, and Farson 1258 AM MST Tue Mar 4 2025 ...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH LATE THURSDAY NIGHT... * WHAT...Heavy snow possible. Total snow accumulations of 2 to 5 inches in far southern Upper Green River Basin and 4 to 8 inches possible elsewhere. Winds could gust as high as 35 mph. * WHERE...Upper Green River Basin and Upper Green River Basin Foothills. * WHEN...From Wednesday evening through late Thursday night. * IMPACTS...Travel could be difficult. The hazardous conditions could impact the Thursday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ016>018-020-042300- /O.NEW.KRIW.WS.A.0004.250306T0900Z-250307T1200Z/ Upper Wind River Basin-Wind River Basin-Lander Foothills-Natrona County Lower Elevations- Including the cities of Casper, Riverton, Lander, Shoshoni, and Dubois 1258 AM MST Tue Mar 4 2025 ...WINTER STORM WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH LATE THURSDAY NIGHT... * WHAT...Heavy snow possible. Total snow accumulations between 4 and 10 inches possible. Higher amounts up to 12 inches possible for the Lander Foothills, especially up toward Sinks Canyon. Winds could gust as high as 40 mph. * WHERE...Lander Foothills, Natrona County Lower Elevations, Upper Wind River Basin, and Wind River Basin. * WHEN...From late Wednesday night through late Thursday night. * IMPACTS...Travel could be difficult. The hazardous conditions could impact the Thursday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ022-042300- /O.NEW.KRIW.WS.A.0004.250306T0900Z-250307T1200Z/ Casper Mountain- 1258 AM MST Tue Mar 4 2025 ...WINTER STORM WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH LATE THURSDAY NIGHT... * WHAT...Heavy snow possible. Total snow accumulations between 10 and 15 inches possible. * WHERE...Casper Mountain. * WHEN...From late Wednesday night through late Thursday night. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ003-005-010-011-042300- /O.NEW.KRIW.WS.A.0004.250306T1200Z-250307T1200Z/ Cody Foothills-Southwest Bighorn Basin-Northeast Johnson County- Southeast Johnson County- Including the cities of Kaycee, Buffalo, Clark, Cody, Thermopolis, and Meeteetse 1258 AM MST Tue Mar 4 2025 ...WINTER STORM WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH LATE THURSDAY NIGHT... * WHAT...Heavy snow possible. Total snow accumulations between 3 and 8 inches possible. Winds could gust as high as 35 mph. * WHERE...Southwest Bighorn Basin, Northeast Johnson County, Southeast Johnson County, and Cody Foothills. * WHEN...From late Wednesday night through late Thursday night. * IMPACTS...Travel could be difficult. The hazardous conditions could impact the Thursday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Rowe
851 WWUS45 KRIW 042137 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 237 PM MST Tue Mar 4 2025 WYZ014-015-019-024-051400- /O.CON.KRIW.WS.A.0004.250306T0600Z-250307T1200Z/ Wind River Mountains West-Wind River Mountains East-Green Mountains and Rattlesnake Range-Salt River and Wyoming Ranges- Including the cities of Jeffrey City 237 PM MST Tue Mar 4 2025 ...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY EVENING THROUGH LATE THURSDAY NIGHT... * WHAT...Heavy snow possible. Total snow accumulations of 10 to 16 inches and up to 20 inches at the peaks along the southern end of the Wind River Mountains possible. Winds could gust as high as 45 mph. * WHERE...Green Mountains and Rattlesnake Range, Wind River Mountains East, Wind River Mountains West, and Salt River and Wyoming Ranges. * WHEN...From Wednesday evening through late Thursday night. * IMPACTS...Travel could be very difficult, especially over Salt Pass and South Pass. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ025-026-051400- /O.CON.KRIW.WS.A.0004.250306T0600Z-250307T1200Z/ Upper Green River Basin Foothills-Upper Green River Basin- Including the cities of La Barge, Pinedale, Farson, and Big Piney 237 PM MST Tue Mar 4 2025 ...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY EVENING THROUGH LATE THURSDAY NIGHT... * WHAT...Heavy snow possible. Total snow accumulations of 2 to 5 inches in far southern Upper Green River Basin and 4 to 8 inches possible elsewhere. Winds could gust as high as 35 mph. * WHERE...Upper Green River Basin and Upper Green River Basin Foothills. * WHEN...From Wednesday evening through late Thursday night. * IMPACTS...Travel could be difficult. The hazardous conditions could impact the Thursday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ016>018-020-051400- /O.CON.KRIW.WS.A.0004.250306T0900Z-250307T1200Z/ Upper Wind River Basin-Wind River Basin-Lander Foothills-Natrona County Lower Elevations- Including the cities of Dubois, Lander, Riverton, Shoshoni, and Casper 237 PM MST Tue Mar 4 2025 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH LATE THURSDAY NIGHT... * WHAT...Heavy snow possible. Total snow accumulations between 5 and 10 inches possible. Higher amounts up to 12 inches possible for the Lander Foothills, especially toward Sinks Canyon. Winds could gust as high as 45 mph. * WHERE...Lander Foothills, Natrona County Lower Elevations, Upper Wind River Basin, and Wind River Basin. * WHEN...From late Wednesday night through late Thursday night. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Thursday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ022-051400- /O.CON.KRIW.WS.A.0004.250306T0900Z-250307T1200Z/ Casper Mountain- 237 PM MST Tue Mar 4 2025 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH LATE THURSDAY NIGHT... * WHAT...Heavy snow possible. Total snow accumulations between 10 and 18 inches possible. * WHERE...Casper Mountain. * WHEN...From late Wednesday night through late Thursday night. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ003-005-010-011-051400- /O.CON.KRIW.WS.A.0004.250306T1200Z-250307T1200Z/ Cody Foothills-Southwest Bighorn Basin-Northeast Johnson County- Southeast Johnson County- Including the cities of Kaycee, Cody, Meeteetse, Thermopolis, Clark, and Buffalo 237 PM MST Tue Mar 4 2025 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH LATE THURSDAY NIGHT... * WHAT...Heavy snow possible. Total snow accumulations between 3 and 8 inches possible. Winds could gust as high as 40 mph. * WHERE...Southwest Bighorn Basin, Northeast Johnson County, Southeast Johnson County, and Cody Foothills. * WHEN...From late Wednesday night through late Thursday night. * IMPACTS...Travel could be difficult. The hazardous conditions could impact the Thursday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Myers
892 WWUS45 KRIW 050819 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 119 AM MST Wed Mar 5 2025 WYZ014-024>026-052300- /O.UPG.KRIW.WS.A.0004.250306T0600Z-250307T1200Z/ /O.NEW.KRIW.WS.W.0008.250306T0300Z-250307T1200Z/ Wind River Mountains West-Salt River and Wyoming Ranges-Upper Green River Basin Foothills-Upper Green River Basin- Including the cities of Farson, La Barge, Big Piney, and Pinedale 119 AM MST Wed Mar 5 2025 ...WINTER STORM WARNING IN EFFECT FROM 8 PM THIS EVENING TO 5 AM MST FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations of 5 to 10 inches for Upper Green River Basin and Foothills, including Farson, Big Piney, and Pinedale. Up to a foot is possible for Bondurant. Total snow accumulations of 10 to 20 inches for western Wind River Mountains and Salt River and Wyoming Range. Winds gusting as high as 35 mph. * WHERE...Wind River Mountains West, Salt River and Wyoming Ranges, Upper Green River Basin, and Upper Green River Basin Foothills. * WHEN...From 8 PM this evening to 5 AM MST Friday. * IMPACTS...Travel will be very difficult, especially Thursday afternoon and evening. The hazardous conditions will impact the Thursday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ015-019-052300- /O.UPG.KRIW.WS.A.0004.250306T0600Z-250307T1200Z/ /O.NEW.KRIW.WS.W.0008.250306T0600Z-250307T1200Z/ Wind River Mountains East-Green Mountains and Rattlesnake Range- Including the cities of Jeffrey City 119 AM MST Wed Mar 5 2025 ...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 AM MST FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations between 8 and 16 inches. Higher snowfall amounts of 18 to 24 inches for Green Mountain and the southeastern end of the Wind River Range. Winds gusting as high as 45 mph. * WHERE...Green Mountains and Rattlesnake Range and Wind River Mountains East. * WHEN...From 11 PM this evening to 5 AM MST Friday. * IMPACTS...Travel will be very difficult, especially in the backcountry. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ016>018-052300- /O.UPG.KRIW.WS.A.0004.250306T0900Z-250307T1200Z/ /O.NEW.KRIW.WS.W.0008.250306T0600Z-250307T1200Z/ Upper Wind River Basin-Wind River Basin-Lander Foothills- Including the cities of Riverton, Lander, Dubois, and Shoshoni 119 AM MST Wed Mar 5 2025 ...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 AM MST FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations between 6 and 12 inches. Locally higher amounts up to 15 inches possible for the Lander Foothills. Winds gusting as high as 45 mph. * WHERE...Lander Foothills, Upper Wind River Basin, and Wind River Basin. * WHEN...From 11 PM this evening to 5 AM MST Friday. * IMPACTS...Travel will be very difficult. The hazardous conditions could impact the Thursday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ020-022-052300- /O.UPG.KRIW.WS.A.0004.250306T0900Z-250307T1200Z/ /O.NEW.KRIW.WS.W.0008.250306T1200Z-250307T1200Z/ Natrona County Lower Elevations-Casper Mountain- Including the cities of Casper 119 AM MST Wed Mar 5 2025 ...WINTER STORM WARNING IN EFFECT FROM 5 AM THURSDAY TO 5 AM MST FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations between 8 and 15 inches. Locally higher amounts up to 2 feet possible on Casper Mountain. Winds gusting as high as 45 mph. * WHERE...Casper Mountain and Natrona County Lower Elevations. * WHEN...From 5 AM Thursday to 5 AM MST Friday. * IMPACTS...Travel will be very difficult. Areas of blowing snow could significantly reduce visibility. The hazardous conditions could impact the Thursday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ003-005-052300- /O.UPG.KRIW.WS.A.0004.250306T1200Z-250307T1200Z/ /O.NEW.KRIW.WS.W.0008.250306T1200Z-250307T1200Z/ Cody Foothills-Southwest Bighorn Basin- Including the cities of Clark, Thermopolis, Meeteetse, and Cody 119 AM MST Wed Mar 5 2025 ...WINTER STORM WARNING IN EFFECT FROM 5 AM THURSDAY TO 5 AM MST FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations between 5 and 10 inches. Winds gusting as high as 40 mph. * WHERE...Southwest Bighorn Basin and Cody Foothills. * WHEN...From 5 AM Thursday to 5 AM MST Friday. * IMPACTS...Travel will be difficult. Patchy blowing snow will significantly reduce visibility at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ010-011-052300- /O.UPG.KRIW.WS.A.0004.250306T1200Z-250307T1200Z/ /O.NEW.KRIW.WS.W.0008.250306T1200Z-250307T1200Z/ Northeast Johnson County-Southeast Johnson County- Including the cities of Buffalo and Kaycee 119 AM MST Wed Mar 5 2025 ...WINTER STORM WARNING IN EFFECT FROM 5 AM THURSDAY TO 5 AM MST FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations between 8 and 14 inches, with the highest amounts in southern Johnson County. Winds gusting as high as 35 mph. * WHERE...Northeast Johnson County and Southeast Johnson County. * WHEN...From 5 AM Thursday to 5 AM MST Friday. * IMPACTS...Travel will be very difficult. The hazardous conditions could impact the Thursday morning and evening commutes. Patchy blowing snow may significantly reduce visibility at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ012-052300- /O.NEW.KRIW.WS.W.0008.250306T0300Z-250307T1200Z/ Teton and Gros Ventre Mountains- 119 AM MST Wed Mar 5 2025 ...WINTER STORM WARNING IN EFFECT FROM 8 PM THIS EVENING TO 5 AM MST FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations 3 to 8 inches for northeastern Gros Ventre and 8 to 18 inches elsewhere. Winds gusting as high as 35 mph. * WHERE...Teton and Gros Ventre Mountains. * WHEN...From 8 PM this evening to 5 AM MST Friday. * IMPACTS...Travel will be very difficult. The hazardous conditions could impact the Thursday morning and evening commutes, especially on Teton Pass. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ007-052300- /O.NEW.KRIW.WS.W.0008.250306T1200Z-250307T1200Z/ Owl Creek and Bridger Mountains- 119 AM MST Wed Mar 5 2025 ...WINTER STORM WARNING IN EFFECT FROM 5 AM THURSDAY TO 5 AM MST FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations between 8 and 14 inches. Winds gusting as high as 45 mph. * WHERE...Owl Creek and Bridger Mountains. * WHEN...From 5 AM Thursday to 5 AM MST Friday. * IMPACTS...Travel will be very difficult through Wind River Canyon. Areas of blowing snow will significantly reduce visibility at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ009-052300- /O.NEW.KRIW.WS.W.0008.250306T1200Z-250307T1200Z/ Bighorn Mountains Southeast- 119 AM MST Wed Mar 5 2025 ...WINTER STORM WARNING IN EFFECT FROM 5 AM THURSDAY TO 5 AM MST FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations between 8 and 16 inches. Winds gusting as high as 40 mph. * WHERE...Bighorn Mountains Southeast. * WHEN...From 5 AM Thursday to 5 AM MST Friday. * IMPACTS...Travel will be very difficult, especially on Powder River Pass. Areas of blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ023-027-052300- /O.NEW.KRIW.WW.Y.0013.250306T0300Z-250307T1200Z/ Star Valley-South Lincoln County- Including the cities of Thayne, Kemmerer, Star Valley Ranch, Afton, Cokeville, and Alpine 119 AM MST Wed Mar 5 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 5 AM MST FRIDAY... * WHAT...Snow expected. Total snow accumulations between 3 and 6 inches. * WHERE...South Lincoln County and Star Valley. * WHEN...From 8 PM this evening to 5 AM MST Friday. * IMPACTS...Travel will be difficult. The hazardous conditions could impact the Thursday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ001-002-013-052300- /O.NEW.KRIW.WW.Y.0013.250306T0600Z-250307T0900Z/ Yellowstone National Park-Absaroka Mountains-Jackson Hole- Including the cities of Old Faithful, Mammoth, Lake, and Jackson 119 AM MST Wed Mar 5 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 2 AM MST FRIDAY... * WHAT...Snow expected. Total snow accumulations of 4 to 8 inches for Jackson Valley, 4 to 12 inches for the Absaroka Mountains, and 2 to 6 inches for Yellowstone. Winds gusting as high as 35 mph. * WHERE...Absaroka Mountains, Jackson Hole, and Yellowstone National Park. * WHEN...From 11 PM this evening to 2 AM MST Friday. * IMPACTS...Travel will be difficult. The hazardous conditions could impact the Thursday morning and evening commutes in and around Jackson. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ004-006-052300- /O.NEW.KRIW.WW.Y.0013.250306T1200Z-250307T1200Z/ North Bighorn Basin-Southeast Bighorn Basin- Including the cities of Shell, Greybull, Powell, Lovell, Worland, Ten Sleep, and Basin 119 AM MST Wed Mar 5 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM THURSDAY TO 5 AM MST FRIDAY... * WHAT...Snow expected. Total snow accumulations of 3 to 6 inches from Powell to Burlington and 1 to 3 inches elsewhere. Winds gusting as high as 35 mph. * WHERE...Southeast Bighorn Basin and North Bighorn Basin. * WHEN...From 5 AM Thursday to 5 AM MST Friday. * IMPACTS...Travel could be difficult. The hazardous conditions could impact the Thursday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ028>030-052300- /O.NEW.KRIW.WW.Y.0013.250306T2100Z-250307T1200Z/ Rock Springs and Green River-Flaming Gorge-East Sweetwater County- Including the cities of Green River, Rock Springs, and Wamsutter 119 AM MST Wed Mar 5 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 2 PM THURSDAY TO 5 AM MST FRIDAY... * WHAT...Snow expected. Total snow accumulations between 2 and 5 inches. Winds gusting as high as 40 mph. * WHERE...East Sweetwater County, Flaming Gorge, and Rock Springs and Green River. * WHEN...From 2 PM Thursday to 5 AM MST Friday. * IMPACTS...Travel could be difficult. The hazardous conditions could impact the Thursday evening commute. Patchy blowing snow may lead to significantly reduced visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Rowe
Permalink to 202503040758-KRIW-WWUS45-WSWRIW
892 WWUS45 KRIW 040758 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 1258 AM MST Tue Mar 4 2025 WYZ014-015-019-024-042300- /O.NEW.KRIW.WS.A.0004.250306T0600Z-250307T1200Z/ Wind River Mountains West-Wind River Mountains East-Green Mountains and Rattlesnake Range-Salt River and Wyoming Ranges- Including the cities of Jeffrey City 1258 AM MST Tue Mar 4 2025 ...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH LATE THURSDAY NIGHT... * WHAT...Heavy snow possible. Total snow accumulations of 6 to 16 inches and up to 20 inches at the peaks along the southern end of the Wind River Mountains possible. Winds could gust as high as 45 mph. * WHERE...Green Mountains and Rattlesnake Range, Wind River Mountains East, Wind River Mountains West, and Salt River and Wyoming Ranges. * WHEN...From Wednesday evening through late Thursday night. * IMPACTS...Travel could be very difficult, especially over Salt Pass and South Pass. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ025-026-042300- /O.NEW.KRIW.WS.A.0004.250306T0600Z-250307T1200Z/ Upper Green River Basin Foothills-Upper Green River Basin- Including the cities of La Barge, Big Piney, Pinedale, and Farson 1258 AM MST Tue Mar 4 2025 ...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH LATE THURSDAY NIGHT... * WHAT...Heavy snow possible. Total snow accumulations of 2 to 5 inches in far southern Upper Green River Basin and 4 to 8 inches possible elsewhere. Winds could gust as high as 35 mph. * WHERE...Upper Green River Basin and Upper Green River Basin Foothills. * WHEN...From Wednesday evening through late Thursday night. * IMPACTS...Travel could be difficult. The hazardous conditions could impact the Thursday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ016>018-020-042300- /O.NEW.KRIW.WS.A.0004.250306T0900Z-250307T1200Z/ Upper Wind River Basin-Wind River Basin-Lander Foothills-Natrona County Lower Elevations- Including the cities of Casper, Riverton, Lander, Shoshoni, and Dubois 1258 AM MST Tue Mar 4 2025 ...WINTER STORM WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH LATE THURSDAY NIGHT... * WHAT...Heavy snow possible. Total snow accumulations between 4 and 10 inches possible. Higher amounts up to 12 inches possible for the Lander Foothills, especially up toward Sinks Canyon. Winds could gust as high as 40 mph. * WHERE...Lander Foothills, Natrona County Lower Elevations, Upper Wind River Basin, and Wind River Basin. * WHEN...From late Wednesday night through late Thursday night. * IMPACTS...Travel could be difficult. The hazardous conditions could impact the Thursday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ022-042300- /O.NEW.KRIW.WS.A.0004.250306T0900Z-250307T1200Z/ Casper Mountain- 1258 AM MST Tue Mar 4 2025 ...WINTER STORM WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH LATE THURSDAY NIGHT... * WHAT...Heavy snow possible. Total snow accumulations between 10 and 15 inches possible. * WHERE...Casper Mountain. * WHEN...From late Wednesday night through late Thursday night. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ003-005-010-011-042300- /O.NEW.KRIW.WS.A.0004.250306T1200Z-250307T1200Z/ Cody Foothills-Southwest Bighorn Basin-Northeast Johnson County- Southeast Johnson County- Including the cities of Kaycee, Buffalo, Clark, Cody, Thermopolis, and Meeteetse 1258 AM MST Tue Mar 4 2025 ...WINTER STORM WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH LATE THURSDAY NIGHT... * WHAT...Heavy snow possible. Total snow accumulations between 3 and 8 inches possible. Winds could gust as high as 35 mph. * WHERE...Southwest Bighorn Basin, Northeast Johnson County, Southeast Johnson County, and Cody Foothills. * WHEN...From late Wednesday night through late Thursday night. * IMPACTS...Travel could be difficult. The hazardous conditions could impact the Thursday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Rowe
Permalink to 202503042137-KRIW-WWUS45-WSWRIW
851 WWUS45 KRIW 042137 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 237 PM MST Tue Mar 4 2025 WYZ014-015-019-024-051400- /O.CON.KRIW.WS.A.0004.250306T0600Z-250307T1200Z/ Wind River Mountains West-Wind River Mountains East-Green Mountains and Rattlesnake Range-Salt River and Wyoming Ranges- Including the cities of Jeffrey City 237 PM MST Tue Mar 4 2025 ...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY EVENING THROUGH LATE THURSDAY NIGHT... * WHAT...Heavy snow possible. Total snow accumulations of 10 to 16 inches and up to 20 inches at the peaks along the southern end of the Wind River Mountains possible. Winds could gust as high as 45 mph. * WHERE...Green Mountains and Rattlesnake Range, Wind River Mountains East, Wind River Mountains West, and Salt River and Wyoming Ranges. * WHEN...From Wednesday evening through late Thursday night. * IMPACTS...Travel could be very difficult, especially over Salt Pass and South Pass. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ025-026-051400- /O.CON.KRIW.WS.A.0004.250306T0600Z-250307T1200Z/ Upper Green River Basin Foothills-Upper Green River Basin- Including the cities of La Barge, Pinedale, Farson, and Big Piney 237 PM MST Tue Mar 4 2025 ...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY EVENING THROUGH LATE THURSDAY NIGHT... * WHAT...Heavy snow possible. Total snow accumulations of 2 to 5 inches in far southern Upper Green River Basin and 4 to 8 inches possible elsewhere. Winds could gust as high as 35 mph. * WHERE...Upper Green River Basin and Upper Green River Basin Foothills. * WHEN...From Wednesday evening through late Thursday night. * IMPACTS...Travel could be difficult. The hazardous conditions could impact the Thursday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ016>018-020-051400- /O.CON.KRIW.WS.A.0004.250306T0900Z-250307T1200Z/ Upper Wind River Basin-Wind River Basin-Lander Foothills-Natrona County Lower Elevations- Including the cities of Dubois, Lander, Riverton, Shoshoni, and Casper 237 PM MST Tue Mar 4 2025 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH LATE THURSDAY NIGHT... * WHAT...Heavy snow possible. Total snow accumulations between 5 and 10 inches possible. Higher amounts up to 12 inches possible for the Lander Foothills, especially toward Sinks Canyon. Winds could gust as high as 45 mph. * WHERE...Lander Foothills, Natrona County Lower Elevations, Upper Wind River Basin, and Wind River Basin. * WHEN...From late Wednesday night through late Thursday night. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Thursday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ022-051400- /O.CON.KRIW.WS.A.0004.250306T0900Z-250307T1200Z/ Casper Mountain- 237 PM MST Tue Mar 4 2025 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH LATE THURSDAY NIGHT... * WHAT...Heavy snow possible. Total snow accumulations between 10 and 18 inches possible. * WHERE...Casper Mountain. * WHEN...From late Wednesday night through late Thursday night. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ003-005-010-011-051400- /O.CON.KRIW.WS.A.0004.250306T1200Z-250307T1200Z/ Cody Foothills-Southwest Bighorn Basin-Northeast Johnson County- Southeast Johnson County- Including the cities of Kaycee, Cody, Meeteetse, Thermopolis, Clark, and Buffalo 237 PM MST Tue Mar 4 2025 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH LATE THURSDAY NIGHT... * WHAT...Heavy snow possible. Total snow accumulations between 3 and 8 inches possible. Winds could gust as high as 40 mph. * WHERE...Southwest Bighorn Basin, Northeast Johnson County, Southeast Johnson County, and Cody Foothills. * WHEN...From late Wednesday night through late Thursday night. * IMPACTS...Travel could be difficult. The hazardous conditions could impact the Thursday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Myers
Permalink to 202503050819-KRIW-WWUS45-WSWRIW
892 WWUS45 KRIW 050819 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 119 AM MST Wed Mar 5 2025 WYZ014-024>026-052300- /O.UPG.KRIW.WS.A.0004.250306T0600Z-250307T1200Z/ /O.NEW.KRIW.WS.W.0008.250306T0300Z-250307T1200Z/ Wind River Mountains West-Salt River and Wyoming Ranges-Upper Green River Basin Foothills-Upper Green River Basin- Including the cities of Farson, La Barge, Big Piney, and Pinedale 119 AM MST Wed Mar 5 2025 ...WINTER STORM WARNING IN EFFECT FROM 8 PM THIS EVENING TO 5 AM MST FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations of 5 to 10 inches for Upper Green River Basin and Foothills, including Farson, Big Piney, and Pinedale. Up to a foot is possible for Bondurant. Total snow accumulations of 10 to 20 inches for western Wind River Mountains and Salt River and Wyoming Range. Winds gusting as high as 35 mph. * WHERE...Wind River Mountains West, Salt River and Wyoming Ranges, Upper Green River Basin, and Upper Green River Basin Foothills. * WHEN...From 8 PM this evening to 5 AM MST Friday. * IMPACTS...Travel will be very difficult, especially Thursday afternoon and evening. The hazardous conditions will impact the Thursday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ015-019-052300- /O.UPG.KRIW.WS.A.0004.250306T0600Z-250307T1200Z/ /O.NEW.KRIW.WS.W.0008.250306T0600Z-250307T1200Z/ Wind River Mountains East-Green Mountains and Rattlesnake Range- Including the cities of Jeffrey City 119 AM MST Wed Mar 5 2025 ...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 AM MST FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations between 8 and 16 inches. Higher snowfall amounts of 18 to 24 inches for Green Mountain and the southeastern end of the Wind River Range. Winds gusting as high as 45 mph. * WHERE...Green Mountains and Rattlesnake Range and Wind River Mountains East. * WHEN...From 11 PM this evening to 5 AM MST Friday. * IMPACTS...Travel will be very difficult, especially in the backcountry. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ016>018-052300- /O.UPG.KRIW.WS.A.0004.250306T0900Z-250307T1200Z/ /O.NEW.KRIW.WS.W.0008.250306T0600Z-250307T1200Z/ Upper Wind River Basin-Wind River Basin-Lander Foothills- Including the cities of Riverton, Lander, Dubois, and Shoshoni 119 AM MST Wed Mar 5 2025 ...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 AM MST FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations between 6 and 12 inches. Locally higher amounts up to 15 inches possible for the Lander Foothills. Winds gusting as high as 45 mph. * WHERE...Lander Foothills, Upper Wind River Basin, and Wind River Basin. * WHEN...From 11 PM this evening to 5 AM MST Friday. * IMPACTS...Travel will be very difficult. The hazardous conditions could impact the Thursday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ020-022-052300- /O.UPG.KRIW.WS.A.0004.250306T0900Z-250307T1200Z/ /O.NEW.KRIW.WS.W.0008.250306T1200Z-250307T1200Z/ Natrona County Lower Elevations-Casper Mountain- Including the cities of Casper 119 AM MST Wed Mar 5 2025 ...WINTER STORM WARNING IN EFFECT FROM 5 AM THURSDAY TO 5 AM MST FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations between 8 and 15 inches. Locally higher amounts up to 2 feet possible on Casper Mountain. Winds gusting as high as 45 mph. * WHERE...Casper Mountain and Natrona County Lower Elevations. * WHEN...From 5 AM Thursday to 5 AM MST Friday. * IMPACTS...Travel will be very difficult. Areas of blowing snow could significantly reduce visibility. The hazardous conditions could impact the Thursday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ003-005-052300- /O.UPG.KRIW.WS.A.0004.250306T1200Z-250307T1200Z/ /O.NEW.KRIW.WS.W.0008.250306T1200Z-250307T1200Z/ Cody Foothills-Southwest Bighorn Basin- Including the cities of Clark, Thermopolis, Meeteetse, and Cody 119 AM MST Wed Mar 5 2025 ...WINTER STORM WARNING IN EFFECT FROM 5 AM THURSDAY TO 5 AM MST FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations between 5 and 10 inches. Winds gusting as high as 40 mph. * WHERE...Southwest Bighorn Basin and Cody Foothills. * WHEN...From 5 AM Thursday to 5 AM MST Friday. * IMPACTS...Travel will be difficult. Patchy blowing snow will significantly reduce visibility at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ010-011-052300- /O.UPG.KRIW.WS.A.0004.250306T1200Z-250307T1200Z/ /O.NEW.KRIW.WS.W.0008.250306T1200Z-250307T1200Z/ Northeast Johnson County-Southeast Johnson County- Including the cities of Buffalo and Kaycee 119 AM MST Wed Mar 5 2025 ...WINTER STORM WARNING IN EFFECT FROM 5 AM THURSDAY TO 5 AM MST FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations between 8 and 14 inches, with the highest amounts in southern Johnson County. Winds gusting as high as 35 mph. * WHERE...Northeast Johnson County and Southeast Johnson County. * WHEN...From 5 AM Thursday to 5 AM MST Friday. * IMPACTS...Travel will be very difficult. The hazardous conditions could impact the Thursday morning and evening commutes. Patchy blowing snow may significantly reduce visibility at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ012-052300- /O.NEW.KRIW.WS.W.0008.250306T0300Z-250307T1200Z/ Teton and Gros Ventre Mountains- 119 AM MST Wed Mar 5 2025 ...WINTER STORM WARNING IN EFFECT FROM 8 PM THIS EVENING TO 5 AM MST FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations 3 to 8 inches for northeastern Gros Ventre and 8 to 18 inches elsewhere. Winds gusting as high as 35 mph. * WHERE...Teton and Gros Ventre Mountains. * WHEN...From 8 PM this evening to 5 AM MST Friday. * IMPACTS...Travel will be very difficult. The hazardous conditions could impact the Thursday morning and evening commutes, especially on Teton Pass. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ007-052300- /O.NEW.KRIW.WS.W.0008.250306T1200Z-250307T1200Z/ Owl Creek and Bridger Mountains- 119 AM MST Wed Mar 5 2025 ...WINTER STORM WARNING IN EFFECT FROM 5 AM THURSDAY TO 5 AM MST FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations between 8 and 14 inches. Winds gusting as high as 45 mph. * WHERE...Owl Creek and Bridger Mountains. * WHEN...From 5 AM Thursday to 5 AM MST Friday. * IMPACTS...Travel will be very difficult through Wind River Canyon. Areas of blowing snow will significantly reduce visibility at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ009-052300- /O.NEW.KRIW.WS.W.0008.250306T1200Z-250307T1200Z/ Bighorn Mountains Southeast- 119 AM MST Wed Mar 5 2025 ...WINTER STORM WARNING IN EFFECT FROM 5 AM THURSDAY TO 5 AM MST FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations between 8 and 16 inches. Winds gusting as high as 40 mph. * WHERE...Bighorn Mountains Southeast. * WHEN...From 5 AM Thursday to 5 AM MST Friday. * IMPACTS...Travel will be very difficult, especially on Powder River Pass. Areas of blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ023-027-052300- /O.NEW.KRIW.WW.Y.0013.250306T0300Z-250307T1200Z/ Star Valley-South Lincoln County- Including the cities of Thayne, Kemmerer, Star Valley Ranch, Afton, Cokeville, and Alpine 119 AM MST Wed Mar 5 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 5 AM MST FRIDAY... * WHAT...Snow expected. Total snow accumulations between 3 and 6 inches. * WHERE...South Lincoln County and Star Valley. * WHEN...From 8 PM this evening to 5 AM MST Friday. * IMPACTS...Travel will be difficult. The hazardous conditions could impact the Thursday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ001-002-013-052300- /O.NEW.KRIW.WW.Y.0013.250306T0600Z-250307T0900Z/ Yellowstone National Park-Absaroka Mountains-Jackson Hole- Including the cities of Old Faithful, Mammoth, Lake, and Jackson 119 AM MST Wed Mar 5 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 2 AM MST FRIDAY... * WHAT...Snow expected. Total snow accumulations of 4 to 8 inches for Jackson Valley, 4 to 12 inches for the Absaroka Mountains, and 2 to 6 inches for Yellowstone. Winds gusting as high as 35 mph. * WHERE...Absaroka Mountains, Jackson Hole, and Yellowstone National Park. * WHEN...From 11 PM this evening to 2 AM MST Friday. * IMPACTS...Travel will be difficult. The hazardous conditions could impact the Thursday morning and evening commutes in and around Jackson. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ004-006-052300- /O.NEW.KRIW.WW.Y.0013.250306T1200Z-250307T1200Z/ North Bighorn Basin-Southeast Bighorn Basin- Including the cities of Shell, Greybull, Powell, Lovell, Worland, Ten Sleep, and Basin 119 AM MST Wed Mar 5 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM THURSDAY TO 5 AM MST FRIDAY... * WHAT...Snow expected. Total snow accumulations of 3 to 6 inches from Powell to Burlington and 1 to 3 inches elsewhere. Winds gusting as high as 35 mph. * WHERE...Southeast Bighorn Basin and North Bighorn Basin. * WHEN...From 5 AM Thursday to 5 AM MST Friday. * IMPACTS...Travel could be difficult. The hazardous conditions could impact the Thursday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ WYZ028>030-052300- /O.NEW.KRIW.WW.Y.0013.250306T2100Z-250307T1200Z/ Rock Springs and Green River-Flaming Gorge-East Sweetwater County- Including the cities of Green River, Rock Springs, and Wamsutter 119 AM MST Wed Mar 5 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 2 PM THURSDAY TO 5 AM MST FRIDAY... * WHAT...Snow expected. Total snow accumulations between 2 and 5 inches. Winds gusting as high as 40 mph. * WHERE...East Sweetwater County, Flaming Gorge, and Rock Springs and Green River. * WHEN...From 2 PM Thursday to 5 AM MST Friday. * IMPACTS...Travel could be difficult. The hazardous conditions could impact the Thursday evening commute. Patchy blowing snow may lead to significantly reduced visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Rowe
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