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 [KCYS] CHEYENNE Red Flag (FW) Warning (W) Number 5
Listing of Counties/Parishes/Zones Included in Product
RADAR Composite at Issuance Time
Storm Based Warning History
377 WWUS85 KCYS 270913 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 313 AM MDT Thu Mar 27 2025 ...RED FLAG WARNING IN EFFECT THURSDAY AFTERNOON FOR PORTIONS OF SOUTHEAST WYOMING... WYZ417-418-430>433-271715- /O.UPG.KCYS.FW.A.0004.250327T1800Z-250328T0100Z/ /O.NEW.KCYS.FW.W.0005.250327T1800Z-250328T0100Z/ Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland- Middle North Platte River Basin/Niobrara and Converse High Plains- Laramie Foothills and High Plains-Laramie East High Plains- Bordeaux/Chugwater/Wheatland-Goshen/Middle- Lower North Platte River Basin- 313 AM MDT Thu Mar 27 2025 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM MDT THIS EVENING FOR LOW HUMIDITY AND GUSTY WINDS FOR FIRE WEATHER ZONES 417, 418, 430, 431, 432, AND 433... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from noon today to 7 PM MDT this evening. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire weather zones 417, 418, 430, 431, 432, and 433. * WIND...WEST-SOUTHWEST 15 TO 25 MPH WITH GUSTS TO 30 MPH. * HUMIDITY...10 TO 15 PERCENT. * THUNDERSTORMS...Isolated dry thunderstorms are possible mainly in the afternoon which may produce gusty winds to 40 mph. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$
295 WWUS85 KCYS 271701 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 1101 AM MDT Thu Mar 27 2025 ...RED FLAG WARNING IN EFFECT THURSDAY AFTERNOON FOR PORTIONS OF SOUTHEAST WYOMING... WYZ417-418-430>433-280100- /O.CON.KCYS.FW.W.0005.250327T1800Z-250328T0100Z/ Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland- Middle North Platte River Basin/Niobrara and Converse High Plains- Laramie Foothills and High Plains-Laramie East High Plains- Bordeaux/Chugwater/Wheatland-Goshen/Middle- Lower North Platte River Basin- 1101 AM MDT Thu Mar 27 2025 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING FOR LOW HUMIDITY AND GUSTY WINDS FOR FIRE WEATHER ZONES 417, 418, 430, 431, 432, AND 433... * AFFECTED AREA...Fire weather zones 417, 418, 430, 431, 432, and433. * WIND...WEST-SOUTHWEST 15 TO 25 MPH WITH GUSTS TO 30 MPH. * HUMIDITY...10 TO 15 PERCENT. * THUNDERSTORMS...Isolated dry thunderstorms are possible mainly in the afternoon which may produce gusty winds to 40 mph. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$
094 WWUS85 KCYS 280048 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 648 PM MDT Thu Mar 27 2025 WYZ417-418-430>433-280200- /O.EXP.KCYS.FW.W.0005.000000T0000Z-250328T0100Z/ Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland- Middle North Platte River Basin/Niobrara and Converse High Plains- Laramie Foothills and High Plains-Laramie East High Plains- Bordeaux/Chugwater/Wheatland-Goshen/Middle- Lower North Platte River Basin- 648 PM MDT Thu Mar 27 2025 ...RED FLAG WARNING WILL EXPIRE AT 7 PM MDT THIS EVENING FOR LOW HUMIDITY AND GUSTY WINDS FOR FIRE WEATHER ZONES 417, 418, 430, 431, 432, AND 433... Relative Humidity values are rising across the region, allowing for critical fire weather conditions to begin subsiding. Therefore the Red Flag Warning will be allowed to expire at 7 PM. $$
Permalink to 202503270913-KCYS-WWUS85-RFWCYS
377 WWUS85 KCYS 270913 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 313 AM MDT Thu Mar 27 2025 ...RED FLAG WARNING IN EFFECT THURSDAY AFTERNOON FOR PORTIONS OF SOUTHEAST WYOMING... WYZ417-418-430>433-271715- /O.UPG.KCYS.FW.A.0004.250327T1800Z-250328T0100Z/ /O.NEW.KCYS.FW.W.0005.250327T1800Z-250328T0100Z/ Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland- Middle North Platte River Basin/Niobrara and Converse High Plains- Laramie Foothills and High Plains-Laramie East High Plains- Bordeaux/Chugwater/Wheatland-Goshen/Middle- Lower North Platte River Basin- 313 AM MDT Thu Mar 27 2025 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM MDT THIS EVENING FOR LOW HUMIDITY AND GUSTY WINDS FOR FIRE WEATHER ZONES 417, 418, 430, 431, 432, AND 433... The National Weather Service in Cheyenne has issued a Red Flag Warning, which is in effect from noon today to 7 PM MDT this evening. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire weather zones 417, 418, 430, 431, 432, and 433. * WIND...WEST-SOUTHWEST 15 TO 25 MPH WITH GUSTS TO 30 MPH. * HUMIDITY...10 TO 15 PERCENT. * THUNDERSTORMS...Isolated dry thunderstorms are possible mainly in the afternoon which may produce gusty winds to 40 mph. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$
Permalink to 202503271701-KCYS-WWUS85-RFWCYS
295 WWUS85 KCYS 271701 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 1101 AM MDT Thu Mar 27 2025 ...RED FLAG WARNING IN EFFECT THURSDAY AFTERNOON FOR PORTIONS OF SOUTHEAST WYOMING... WYZ417-418-430>433-280100- /O.CON.KCYS.FW.W.0005.250327T1800Z-250328T0100Z/ Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland- Middle North Platte River Basin/Niobrara and Converse High Plains- Laramie Foothills and High Plains-Laramie East High Plains- Bordeaux/Chugwater/Wheatland-Goshen/Middle- Lower North Platte River Basin- 1101 AM MDT Thu Mar 27 2025 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING FOR LOW HUMIDITY AND GUSTY WINDS FOR FIRE WEATHER ZONES 417, 418, 430, 431, 432, AND 433... * AFFECTED AREA...Fire weather zones 417, 418, 430, 431, 432, and433. * WIND...WEST-SOUTHWEST 15 TO 25 MPH WITH GUSTS TO 30 MPH. * HUMIDITY...10 TO 15 PERCENT. * THUNDERSTORMS...Isolated dry thunderstorms are possible mainly in the afternoon which may produce gusty winds to 40 mph. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$
Permalink to 202503280048-KCYS-WWUS85-RFWCYS
094 WWUS85 KCYS 280048 RFWCYS URGENT - FIRE WEATHER MESSAGE National Weather Service Cheyenne WY 648 PM MDT Thu Mar 27 2025 WYZ417-418-430>433-280200- /O.EXP.KCYS.FW.W.0005.000000T0000Z-250328T0100Z/ Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland- Middle North Platte River Basin/Niobrara and Converse High Plains- Laramie Foothills and High Plains-Laramie East High Plains- Bordeaux/Chugwater/Wheatland-Goshen/Middle- Lower North Platte River Basin- 648 PM MDT Thu Mar 27 2025 ...RED FLAG WARNING WILL EXPIRE AT 7 PM MDT THIS EVENING FOR LOW HUMIDITY AND GUSTY WINDS FOR FIRE WEATHER ZONES 417, 418, 430, 431, 432, AND 433... Relative Humidity values are rising across the region, allowing for critical fire weather conditions to begin subsiding. Therefore the Red Flag Warning will be allowed to expire at 7 PM. $$
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.