Wyoming Severe Severe Thunderstorm Warning | Effective 06/27/2026 12:09

Headline: 
Severe Thunderstorm Warning issued June 27 at 1:09PM MDT until June 27 at 1:45PM MDT by NWS Riverton WY
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
June 27, 2026 - 12:09pm
Expires: 
June 27, 2026 - 12:45pm
Description: 
SVRRIW The National Weather Service in Riverton has issued a * Severe Thunderstorm Warning for... North central Johnson County in north central Wyoming... * Until 145 PM MDT. * At 109 PM MDT, a severe thunderstorm was located over Buffalo, moving northeast at 40 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * This severe thunderstorm will be near... Buffalo and Lake De Smet around 115 PM MDT. This includes the following highways... Interstate 25 between mile markers 287 and 299. Interstate 90 between mile markers 42 and 71.
Instruction: 
For your protection move to an interior room on the lowest floor of a building. Continuous cloud to ground lightning is occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.
Area Description: 
Johnson, WY
Forcast Office: 
NWS Riverton WY