


Hazardous Weather Outlook
Issued by NWS Cheyenne, WY
Issued by NWS Cheyenne, WY
239 FLUS45 KCYS 190855 HWOCYS Hazardous Weather Outlook National Weather Service Cheyenne WY 255 AM MDT Tue Aug 19 2025 NEZ002-003-019>021-054-055-095-096-WYZ101>119-200900- Dawes County-Box Butte County-Scotts Bluff County-Banner County- Morrill County-Kimball County-Cheyenne County- Northern Sioux County-Southern Sioux County- Converse County Lower Elevations-Niobrara County- North Laramie Range-Ferris/Seminoe/Shirley Mountains- Shirley Basin-Central Laramie Range and Southwest Platte County- East Platte County-Goshen County-Central Carbon County- North Snowy Range Foothills-Southwest Carbon County- Sierra Madre Range-Upper North Platte River Basin-Snowy Range- Laramie Valley-South Laramie Range-South Laramie Range Foothills- Central Laramie County-East Laramie County- 255 AM MDT Tue Aug 19 2025 This hazardous weather outlook is for portions of panhandle Nebraska...east central Wyoming...south central Wyoming and southeast Wyoming. .DAY ONE...TONIGHT - Hot temperatures with more limited thunderstorm chances are expected Tuesday through Thursday. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY - Active weather returns Thursday and continues through early next week as multiple days of showers and thunderstorms alongside cooler temperatures are expected. .Spotter information statement... Spotter activation will not be needed. $$