IEM VTEC Product Browser
This application allows easy navigation of National Weather Service issued products with Valid Time Event Coding (VTEC).
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 [KMSO] MISSOULA Winter Weather (WW) Advisory (Y) Number 26
Listing of Counties/Parishes/Zones Included in Product
RADAR Composite at Issuance Time
Storm Based Warning History
391 WWUS45 KMSO 310847 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 247 AM MDT Mon Mar 31 2025 MTZ006-011800- /O.NEW.KMSO.WW.Y.0026.250401T0000Z-250401T1800Z/ Bitterroot/Sapphire Mountains- 247 AM MDT Mon Mar 31 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT TUESDAY... * WHAT...Snow expected. Likelihood of minor impacts from snow is greater than 60 percent. Total snow accumulations between 2 and 6 inches. Snowfall rates up to 1 inch per hour with heavier showers. * WHERE...Lolo Pass and Highway 93 Sula to Lost Trail Pass. * WHEN...From 6 PM this evening to noon MDT Tuesday. * IMPACTS...Winter traveling conditions. For MINOR impacts from snow, expect a few inconveniences to normal activities. Use caution while driving. The hazardous conditions could impact the Tuesday morning commute, especially over higher passes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ007-020600- /O.NEW.KMSO.WW.Y.0026.250401T0000Z-250402T0600Z/ Butte/Blackfoot Region- 247 AM MDT Mon Mar 31 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT MDT TUESDAY NIGHT... * WHAT...Snow expected. Likelihood of minor impacts from snow is greater than 60 percent and 30 percent for moderate impacts. Total snow accumulations between 2 and 4 inches for lower elevations with 5 to 10 inches on the passes. Snowfall rates up to 1 inch per hour with heavier showers this evening through Tuesday. * WHERE...I-90 from Drummond to Homestake Pass. MacDonald Pass, Highway 12 Garrison to Elliston, Georgetown Lake, Butte, and Homestake Pass. * WHEN...From 6 PM this evening to midnight MDT Tuesday Night. * IMPACTS...Winter traveling conditions. For MINOR impacts from snow, expect a few inconveniences to normal activities. Use caution while driving. The hazardous conditions could impact the Tuesday morning and evening commutes, especially over higher passes. For MODERATE impacts from snow, expect disruptions to normal activities. Hazardous travel conditions and localized road closure potential. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$
505 WWUS45 KMSO 311718 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 1118 AM MDT Mon Mar 31 2025 MTZ043-011800- /O.EXA.KMSO.WW.Y.0026.250401T0000Z-250402T0600Z/ Potomac/Seeley Lake Region- 1118 AM MDT Mon Mar 31 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT MDT TUESDAY NIGHT... * WHAT...Snow expected. Likelihood of minor impacts from snow is greater than 60 percent. Total snow accumulations between 1 and 2 inches for lower elevations with 5 to 10 inches in the mountains. The higher elevations of the Mission Mountains could receive over a foot of snow. * WHERE...Highway 200 Bonner to Greenough, Highway 83 Seeley Lake to Condon, and I-90 East Missoula to Bearmouth. * WHEN...From 6 PM this evening to midnight MDT Tuesday Night. * IMPACTS...Winter traveling conditions. For MINOR impacts from snow, expect a few inconveniences to normal activities. Use caution while driving. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ006-011800- /O.CON.KMSO.WW.Y.0026.250401T0000Z-250401T1800Z/ Bitterroot/Sapphire Mountains- 1118 AM MDT Mon Mar 31 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT TUESDAY... * WHAT...Snow expected. Likelihood of minor impacts from snow is greater than 60 percent. Total snow accumulations between 2 and 6 inches. Snowfall rates up to 1 inch per hour with heavier showers. * WHERE...Lolo Pass and Highway 93 Sula to Lost Trail Pass. * WHEN...From 6 PM this evening to noon MDT Tuesday. * IMPACTS...Winter traveling conditions. For MINOR impacts from snow, expect a few inconveniences to normal activities. Use caution while driving. The hazardous conditions could impact the Tuesday morning commute, especially over higher passes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ007-011800- /O.CON.KMSO.WW.Y.0026.250401T0000Z-250402T0600Z/ Butte/Blackfoot Region- 1118 AM MDT Mon Mar 31 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT MDT TUESDAY NIGHT... * WHAT...Snow expected. Likelihood of minor impacts from snow is greater than 60 percent and 30 percent for moderate impacts. Total snow accumulations between 2 and 4 inches for lower elevations with 5 to 10 inches on the passes. Snowfall rates up to 1 inch per hour with heavier showers this evening through Tuesday. * WHERE...MacDonald Pass, Butte, Georgetown Lake, Homestake Pass, and Highway 12 Garrison to Elliston. * WHEN...From 6 PM this evening to midnight MDT Tuesday Night. * IMPACTS...Winter traveling conditions. For MINOR impacts from snow, expect a few inconveniences to normal activities. Use caution while driving. The hazardous conditions could impact the Tuesday morning and evening commutes, especially over higher passes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$
506 WWUS45 KMSO 311948 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 148 PM MDT Mon Mar 31 2025 MTZ006-011800- /O.CON.KMSO.WW.Y.0026.250401T0000Z-250401T1800Z/ Bitterroot/Sapphire Mountains- 148 PM MDT Mon Mar 31 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT TUESDAY... * WHAT...Snow expected. Likelihood of minor impacts from snow is greater than 60 percent. Total snow accumulations between 2 and 6 inches. Snowfall rates up to 1 inch per hour with heavier showers. * WHERE...Lolo Pass and Highway 93 Sula to Lost Trail Pass. * WHEN...From 6 PM this evening to noon MDT Tuesday. * IMPACTS...For MINOR impacts from snow, expect a few inconveniences to normal activities. Use caution while driving. For MODERATE impacts from snow, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions to infrastructure may occur. The hazardous conditions could impact the Tuesday morning commute, especially over higher passes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ007-011800- /O.CON.KMSO.WW.Y.0026.250401T0000Z-250402T0600Z/ Butte/Blackfoot Region- 148 PM MDT Mon Mar 31 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT MDT TUESDAY NIGHT... * WHAT...Snow expected. Likelihood of minor impacts from snow is greater than 60 percent and 30 percent for moderate impacts. Total snow accumulations between 2 and 4 inches for lower elevations with 5 to 10 inches on the passes. Snowfall rates up to 1 inch per hour with heavier showers this evening through Tuesday. * WHERE...MacDonald Pass, Butte, Georgetown Lake, Homestake Pass, and Highway 12 Garrison to Elliston. * WHEN...From 6 PM this evening to midnight MDT Tuesday Night. * IMPACTS...Winter traveling conditions. For MINOR impacts from snow, expect a few inconveniences to normal activities. Use caution while driving. The hazardous conditions could impact the Tuesday morning and evening commutes, especially over higher passes. For MODERATE impacts from snow, expect disruptions to normal activities. Hazardous travel conditions and localized road closure potential. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ043-011800- /O.CON.KMSO.WW.Y.0026.250401T0000Z-250402T0600Z/ Potomac/Seeley Lake Region- 148 PM MDT Mon Mar 31 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT MDT TUESDAY NIGHT... * WHAT...Snow expected. Likelihood of minor impacts from snow is greater than 60 percent. Total snow accumulations between 1 and 2 inches for lower elevations with 5 to 10 inches in the mountains. The higher elevations of the Mission Mountains could receive over a foot of snow. * WHERE...Highway 200 Bonner to Greenough, Highway 83 Seeley Lake to Condon, and I-90 East Missoula to Bearmouth. * WHEN...From 6 PM this evening to midnight MDT Tuesday Night. * IMPACTS...Winter traveling conditions. For MINOR impacts from snow, expect a few inconveniences to normal activities. Use caution while driving. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$
Permalink to 202503310847-KMSO-WWUS45-WSWMSO
391 WWUS45 KMSO 310847 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 247 AM MDT Mon Mar 31 2025 MTZ006-011800- /O.NEW.KMSO.WW.Y.0026.250401T0000Z-250401T1800Z/ Bitterroot/Sapphire Mountains- 247 AM MDT Mon Mar 31 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT TUESDAY... * WHAT...Snow expected. Likelihood of minor impacts from snow is greater than 60 percent. Total snow accumulations between 2 and 6 inches. Snowfall rates up to 1 inch per hour with heavier showers. * WHERE...Lolo Pass and Highway 93 Sula to Lost Trail Pass. * WHEN...From 6 PM this evening to noon MDT Tuesday. * IMPACTS...Winter traveling conditions. For MINOR impacts from snow, expect a few inconveniences to normal activities. Use caution while driving. The hazardous conditions could impact the Tuesday morning commute, especially over higher passes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ007-020600- /O.NEW.KMSO.WW.Y.0026.250401T0000Z-250402T0600Z/ Butte/Blackfoot Region- 247 AM MDT Mon Mar 31 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT MDT TUESDAY NIGHT... * WHAT...Snow expected. Likelihood of minor impacts from snow is greater than 60 percent and 30 percent for moderate impacts. Total snow accumulations between 2 and 4 inches for lower elevations with 5 to 10 inches on the passes. Snowfall rates up to 1 inch per hour with heavier showers this evening through Tuesday. * WHERE...I-90 from Drummond to Homestake Pass. MacDonald Pass, Highway 12 Garrison to Elliston, Georgetown Lake, Butte, and Homestake Pass. * WHEN...From 6 PM this evening to midnight MDT Tuesday Night. * IMPACTS...Winter traveling conditions. For MINOR impacts from snow, expect a few inconveniences to normal activities. Use caution while driving. The hazardous conditions could impact the Tuesday morning and evening commutes, especially over higher passes. For MODERATE impacts from snow, expect disruptions to normal activities. Hazardous travel conditions and localized road closure potential. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$
Permalink to 202503311718-KMSO-WWUS45-WSWMSO
505 WWUS45 KMSO 311718 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 1118 AM MDT Mon Mar 31 2025 MTZ043-011800- /O.EXA.KMSO.WW.Y.0026.250401T0000Z-250402T0600Z/ Potomac/Seeley Lake Region- 1118 AM MDT Mon Mar 31 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT MDT TUESDAY NIGHT... * WHAT...Snow expected. Likelihood of minor impacts from snow is greater than 60 percent. Total snow accumulations between 1 and 2 inches for lower elevations with 5 to 10 inches in the mountains. The higher elevations of the Mission Mountains could receive over a foot of snow. * WHERE...Highway 200 Bonner to Greenough, Highway 83 Seeley Lake to Condon, and I-90 East Missoula to Bearmouth. * WHEN...From 6 PM this evening to midnight MDT Tuesday Night. * IMPACTS...Winter traveling conditions. For MINOR impacts from snow, expect a few inconveniences to normal activities. Use caution while driving. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ006-011800- /O.CON.KMSO.WW.Y.0026.250401T0000Z-250401T1800Z/ Bitterroot/Sapphire Mountains- 1118 AM MDT Mon Mar 31 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT TUESDAY... * WHAT...Snow expected. Likelihood of minor impacts from snow is greater than 60 percent. Total snow accumulations between 2 and 6 inches. Snowfall rates up to 1 inch per hour with heavier showers. * WHERE...Lolo Pass and Highway 93 Sula to Lost Trail Pass. * WHEN...From 6 PM this evening to noon MDT Tuesday. * IMPACTS...Winter traveling conditions. For MINOR impacts from snow, expect a few inconveniences to normal activities. Use caution while driving. The hazardous conditions could impact the Tuesday morning commute, especially over higher passes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ007-011800- /O.CON.KMSO.WW.Y.0026.250401T0000Z-250402T0600Z/ Butte/Blackfoot Region- 1118 AM MDT Mon Mar 31 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT MDT TUESDAY NIGHT... * WHAT...Snow expected. Likelihood of minor impacts from snow is greater than 60 percent and 30 percent for moderate impacts. Total snow accumulations between 2 and 4 inches for lower elevations with 5 to 10 inches on the passes. Snowfall rates up to 1 inch per hour with heavier showers this evening through Tuesday. * WHERE...MacDonald Pass, Butte, Georgetown Lake, Homestake Pass, and Highway 12 Garrison to Elliston. * WHEN...From 6 PM this evening to midnight MDT Tuesday Night. * IMPACTS...Winter traveling conditions. For MINOR impacts from snow, expect a few inconveniences to normal activities. Use caution while driving. The hazardous conditions could impact the Tuesday morning and evening commutes, especially over higher passes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$
Permalink to 202503311948-KMSO-WWUS45-WSWMSO
506 WWUS45 KMSO 311948 WSWMSO URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 148 PM MDT Mon Mar 31 2025 MTZ006-011800- /O.CON.KMSO.WW.Y.0026.250401T0000Z-250401T1800Z/ Bitterroot/Sapphire Mountains- 148 PM MDT Mon Mar 31 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT TUESDAY... * WHAT...Snow expected. Likelihood of minor impacts from snow is greater than 60 percent. Total snow accumulations between 2 and 6 inches. Snowfall rates up to 1 inch per hour with heavier showers. * WHERE...Lolo Pass and Highway 93 Sula to Lost Trail Pass. * WHEN...From 6 PM this evening to noon MDT Tuesday. * IMPACTS...For MINOR impacts from snow, expect a few inconveniences to normal activities. Use caution while driving. For MODERATE impacts from snow, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions to infrastructure may occur. The hazardous conditions could impact the Tuesday morning commute, especially over higher passes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ007-011800- /O.CON.KMSO.WW.Y.0026.250401T0000Z-250402T0600Z/ Butte/Blackfoot Region- 148 PM MDT Mon Mar 31 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT MDT TUESDAY NIGHT... * WHAT...Snow expected. Likelihood of minor impacts from snow is greater than 60 percent and 30 percent for moderate impacts. Total snow accumulations between 2 and 4 inches for lower elevations with 5 to 10 inches on the passes. Snowfall rates up to 1 inch per hour with heavier showers this evening through Tuesday. * WHERE...MacDonald Pass, Butte, Georgetown Lake, Homestake Pass, and Highway 12 Garrison to Elliston. * WHEN...From 6 PM this evening to midnight MDT Tuesday Night. * IMPACTS...Winter traveling conditions. For MINOR impacts from snow, expect a few inconveniences to normal activities. Use caution while driving. The hazardous conditions could impact the Tuesday morning and evening commutes, especially over higher passes. For MODERATE impacts from snow, expect disruptions to normal activities. Hazardous travel conditions and localized road closure potential. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ MTZ043-011800- /O.CON.KMSO.WW.Y.0026.250401T0000Z-250402T0600Z/ Potomac/Seeley Lake Region- 148 PM MDT Mon Mar 31 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT MDT TUESDAY NIGHT... * WHAT...Snow expected. Likelihood of minor impacts from snow is greater than 60 percent. Total snow accumulations between 1 and 2 inches for lower elevations with 5 to 10 inches in the mountains. The higher elevations of the Mission Mountains could receive over a foot of snow. * WHERE...Highway 200 Bonner to Greenough, Highway 83 Seeley Lake to Condon, and I-90 East Missoula to Bearmouth. * WHEN...From 6 PM this evening to midnight MDT Tuesday Night. * IMPACTS...Winter traveling conditions. For MINOR impacts from snow, expect a few inconveniences to normal activities. Use caution while driving. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$
All Storm Reports within Event Political Coverage
Storm Reports within Product Polygon
This table lists other events issued by the selected office for the selected year. Click on the row to select that event.