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

Headline: 
Severe Thunderstorm Warning issued May 13 at 2:13PM MDT until May 13 at 3:00PM MDT by NWS Great Falls MT
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
May 13, 2026 - 1:13pm
Expires: 
May 13, 2026 - 2:00pm
Description: 
SVRTFX The National Weather Service in Great Falls has issued a * Severe Thunderstorm Warning for... Northern Madison County in southwestern Montana... Central Beaverhead County in southwestern Montana... * Until 300 PM MDT. * At 212 PM MDT, a severe thunderstorm was located 8 miles east of Dillon, moving northeast at 45 mph. HAZARD...70 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. * Locations impacted include... Dillon, Sheridan, Twin Bridges, Alder, Pony, Silver Star, Harrison, Melrose, Bannack, Laurin, Waterloo, Glen, and Bannack State Park.
Instruction: 
For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Beaverhead, MT; Madison, MT
Forcast Office: 
NWS Great Falls MT