Montana Severe Thunderstorm Warning | Effective 05/13/2026 14:00

Headline: 
Severe Thunderstorm Warning issued May 13 at 3:00PM MDT until May 13 at 3:30PM MDT by NWS Great Falls MT
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
May 13, 2026 - 2:00pm
Expires: 
May 13, 2026 - 2:30pm
Description: 
At 259 PM MDT, a severe thunderstorm was located 7 miles west of Great Falls, moving northeast at 55 mph. HAZARD...70 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. Blowing dust will reduce visibility to less than one mile. Locations impacted include... Great Falls, Cascade, Black Eagle, Carter, Floweree, Portage, Malmstrom Afb, Eden, Stockett, Tracy, Vaughn, First Peoples Buffalo Jump State Park, Sun River, Centerville, Ulm, and Sand Coulee.
Instruction: 
For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Cascade, MT; Chouteau, MT; Teton, MT
Forcast Office: 
NWS Great Falls MT
Sender: 
w-nws.webmaster@noaa.gov