Wyoming Severe Severe Thunderstorm Warning | Effective 06/20/2026 18:04

Headline: 
Severe Thunderstorm Warning issued June 20 at 7:04PM MDT until June 20 at 7:45PM MDT by NWS Riverton WY
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
June 20, 2026 - 6:04pm
Expires: 
June 20, 2026 - 6:45pm
Description: 
SVRRIW The National Weather Service in Riverton has issued a * Severe Thunderstorm Warning for... Eastern Sublette County in west central Wyoming... Southwestern Fremont County in central Wyoming... Northwestern Sweetwater County in south central Wyoming... * Until 745 PM MDT. * At 704 PM MDT, a severe thunderstorm was located 8 miles southeast of Boulder Lake, which is 18 miles east of Pinedale, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * This severe thunderstorm will remain over mainly rural areas of eastern Sublette, southwestern Fremont and northwestern Sweetwater Counties, including the following locations... Green River Lake Campground, Sinks Canyon Campground, Big Sandy Campground, and Dickinson Creek Campground.
Instruction: 
For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Fremont, WY; Sublette, WY; Sweetwater, WY
Forcast Office: 
NWS Riverton WY