Montana, Wyoming Severe Severe Thunderstorm Warning | Effective 06/27/2026 12:51

Headline: 
Severe Thunderstorm Warning issued June 27 at 1:51PM MDT until June 27 at 2:30PM MDT by NWS Billings MT
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
June 27, 2026 - 12:51pm
Expires: 
June 27, 2026 - 1:30pm
Description: 
At 151 PM MDT, severe thunderstorms were located 25 miles east of Sheridan, moving northeast at 25 mph. The strongest thunderstorm was located near Clearmont at 150 PM MDT. HAZARD...Golf ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. Locations impacted include... Clearmont, Leiter, Otter, Arvada and Moorhead.
Instruction: 
Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail. Heavy rainfall is also occurring with this storm and may lead to flash flooding. Do not drive your vehicle through flooded roadways.
Area Description: 
Big Horn, MT; Powder River, MT; Sheridan, WY
Forcast Office: 
NWS Billings MT