Wyoming Severe Severe Thunderstorm Warning | Effective 06/20/2026 15:14

Headline: 
Severe Thunderstorm Warning issued June 20 at 4:14PM MDT until June 20 at 5:00PM MDT by NWS Riverton WY
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
June 20, 2026 - 3:14pm
Expires: 
June 20, 2026 - 4:00pm
Description: 
SVRRIW The National Weather Service in Riverton has issued a * Severe Thunderstorm Warning for... Northwestern Johnson County in north central Wyoming... Southeastern Big Horn County in central Wyoming... Northeastern Washakie County in central Wyoming... * Until 500 PM MDT. * At 412 PM MDT, a severe thunderstorm was located near Ten Sleep, moving northeast at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Cloud Peak.
Instruction: 
For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Big Horn, WY; Johnson, WY; Washakie, WY
Forcast Office: 
NWS Riverton WY
Sender: 
w-nws.webmaster@noaa.gov