Wyoming Severe Severe Thunderstorm Warning | Effective 06/20/2026 15:29

Headline: 
Severe Thunderstorm Warning issued June 20 at 4:29PM MDT until June 20 at 5:15PM MDT by NWS Cheyenne WY
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
June 20, 2026 - 3:29pm
Expires: 
June 20, 2026 - 4:15pm
Description: 
SVRCYS The National Weather Service in Cheyenne has issued a * Severe Thunderstorm Warning for... Northwestern Platte County in southeastern Wyoming... Converse County in east central Wyoming... * Until 515 PM MDT. * At 429 PM MDT, severe thunderstorms were located along a line extending from 19 miles west of Bill to 8 miles north of Fort Fetterman Historic Site to 8 miles north of Esterbrook Campground, moving east at 30 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Douglas, Glendo, Orin, Glendo State Park, Dull Center, Reno Cove Campground, Sandy Beach Campground, Converse County Airport, Bill, Bennett Hill Campground, Manning Ranch, Fort Fetterman Historic Site, Lost Springs, and Shawnee. This includes Interstate 25 in Wyoming between mile markers 111 and 150.
Instruction: 
For your protection move to an interior room on the lowest floor of a building. Wind damage with these storms will occur before any rain or lightning. Do not wait for the sound of thunder before taking cover. SEEK SHELTER IMMEDIATELY inside a sturdy structure and stay away from windows.
Area Description: 
Converse, WY; Platte, WY
Forcast Office: 
NWS Cheyenne WY