Montana Severe Thunderstorm Warning | Effective 05/13/2026 21:03

Headline: 
Severe Thunderstorm Warning issued May 13 at 10:03PM MDT until May 13 at 11:00PM MDT by NWS Glasgow MT
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
May 13, 2026 - 9:03pm
Expires: 
May 13, 2026 - 10:00pm
Description: 
SVRGGW The National Weather Service in Glasgow has issued a * Severe Thunderstorm Warning for... Southern Phillips County in northeastern Montana... Petroleum County in northeastern Montana... Southwestern Garfield County in northeastern Montana... * Until 1100 PM MDT. * At 1002 PM MDT, a severe thunderstorm was located 8 miles southwest 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