Wyoming Moderate Special Weather Statement | Effective 08/15/2026 19:44

Headline: 
Special Weather Statement issued August 15 at 8:44PM MDT by NWS Cheyenne WY
Event: 
Special Weather Statement
Urgency: 
Expected
Effective: 
August 15, 2026 - 7:44pm
Expires: 
August 15, 2026 - 8:15pm
Description: 
At 844 PM MDT, Doppler radar was tracking a strong thunderstorm near Prior Flat Campground, or 40 miles south of Casper, moving southeast at 20 mph. HAZARD...Wind gusts up to 50 mph and half inch hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. This storm will remain over mainly rural areas of northeastern Carbon County.
Instruction: 
If outdoors, consider seeking shelter inside a building.
Area Description: 
Ferris/Seminoe/Shirley Mountains; Shirley Basin
Forcast Office: 
NWS Cheyenne WY
Sender: 
w-nws.webmaster@noaa.gov