Montana Severe Thunderstorm Warning | Effective 05/13/2026 21:32

Headline: 
Severe Thunderstorm Warning issued May 13 at 10:32PM MDT until May 13 at 11:00PM MDT by NWS Glasgow MT
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
May 13, 2026 - 9:32pm
Expires: 
May 13, 2026 - 10:00pm
Description: 
At 1031 PM MDT, a severe thunderstorm was located 16 miles east of Zortman, moving east at 50 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Winnett, Zortman, Sand Springs, Fourchette, U L Bend Rec Area, Crooked Creek Rec Area, Flatwillow, Devils Creek Rec Area, Edwards, Mosby, Phillips, Petrolia Lake, Fred Robinson Bridge, Tiegen, Landusky, Content, Sun Prairie, and Cat Creek.
Instruction: 
For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Garfield, MT; Petroleum, MT; Phillips, MT
Forcast Office: 
NWS Glasgow MT
Sender: 
w-nws.webmaster@noaa.gov