Montana Severe Thunderstorm Warning | Effective 05/13/2026 18:59

Headline: 
Severe Thunderstorm Warning issued May 13 at 7:59PM MDT until May 13 at 8:30PM MDT by NWS Glasgow MT
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
May 13, 2026 - 6:59pm
Expires: 
May 13, 2026 - 7:30pm
Description: 
At 758 PM MDT, severe thunderstorms were located along a line extending from 10 miles northeast of Malta to 10 miles southwest of Tampico to 10 miles southeast of Flowing Wells Rest Area, moving northeast at 45 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Glasgow, Nashua, Fort Peck, Saco, Duck Creek Rec Area, Brockway, Hillside, Flowing Wells Rest Area, St. Marie, The Pines Rec Area, Tampico, Hinsdale, Fort Peck Marina, Cohagen, Nelson Creek Rec Area, Rock Creek Rec Area, Vandalia, Park Grove, Van Norman, and The Bentonite Plant.
Instruction: 
For your protection move to an interior room on the lowest floor of a building. If on or near Fort Peck Lake, get away from the water and move indoors or inside a vehicle. Remember, lightning can strike out to 15 miles from the parent thunderstorm. If you can hear thunder, you are close enough to be struck by lightning. Move to safe shelter now! Do not be caught on the water in a thunderstorm.
Area Description: 
Garfield, MT; McCone, MT; Phillips, MT; Prairie, MT; Valley, MT
Forcast Office: 
NWS Glasgow MT