Hazardous Weather Outlook
Issued by NWS Cheyenne, WY
Issued by NWS Cheyenne, WY
197 FLUS45 KCYS 202202 HWOCYS Hazardous Weather Outlook National Weather Service Cheyenne WY 302 PM MST Thu Nov 20 2025 NEZ002-003-019>021-054-055-095-096-WYZ101>119-212215- 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- 302 PM MST Thu Nov 20 2025 This hazardous weather outlook is for portions of panhandle Nebraska...east central Wyoming...south central Wyoming and southeast Wyoming. .DAY ONE...THIS AFTERNOON AND TONIGHT A low pressure system will deliver a mix of rain and snow for the region starting tonight and continuing through Friday night. Due to high model variability there is uncertainity for how much snow will accumulate along the I-80 corridor. Accumulations of 1-2 inches in the higher elevations should be expected. East of I-25 accumulations up to an inch is possible through Friday morning. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY A colder airmass could arrive as early as Tuesday, dropping high temperatures into the 20`s and 30`s for the remainder of the week. .Spotter information statement... Spotter activation will not be needed. $$