Montana Severe Thunderstorm Warning - Severe | Effective 05/26/2026 17:41

Headline: 
Severe Thunderstorm Warning issued May 26 at 6:41PM MDT until May 26 at 7:15PM MDT by NWS Great Falls MT
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
May 26, 2026 - 5:41pm
Expires: 
May 26, 2026 - 6:15pm
Description: 
At 639 PM MDT, a cluster of severe thunderstorms were located across northern Broadwater and Jefferson counties , moving northwest at 20 mph. HAZARD...70 mph wind gusts from decaying thunderstorms. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include... Boulder, Basin, Montana City, Wickes, Winston, Alhambra, Corbin, Silos, Clancy, Jefferson City, Elkhorn State Park, and Goose Bay.
Instruction: 
For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Broadwater, MT; Jefferson, MT
Forcast Office: 
NWS Great Falls MT