Montana Severe Severe Thunderstorm Warning | Effective 06/27/2026 14:56

Headline: 
Severe Thunderstorm Warning issued June 27 at 3:56PM MDT until June 27 at 4:30PM MDT by NWS Billings MT
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
June 27, 2026 - 2:56pm
Expires: 
June 27, 2026 - 3:30pm
Description: 
At 356 PM MDT, a severe thunderstorm was located 10 miles northeast of Crow Agency, or 17 miles east of Hardin, moving northeast at 25 mph. THIS IS A DESTRUCTIVE STORM FOR EAST OF I 90. HAZARD...Baseball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be severely injured. Expect shattered windows, extensive damage to roofs, siding, and vehicles. Locations impacted include... Crow Agency and Crow Indian Reservation.
Instruction: 
Seek shelter now inside an interior room on the lowest floor of a well-built structure. This storm is capable of producing destructive hail and damaging winds. Torrential 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
Forcast Office: 
NWS Billings MT