Montana Severe Thunderstorm Warning | Effective 04/11/2026 19:58

Headline: 
Severe Thunderstorm Warning issued April 11 at 8:58PM MDT until April 11 at 9:30PM MDT by NWS Glasgow MT
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
April 11, 2026 - 7:58pm
Expires: 
April 11, 2026 - 8:30pm
Description: 
At 857 PM MDT, severe thunderstorms were located along a line extending from 9 miles northwest of Opheim to 12 miles east of Rock Creek Rec Area, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Glasgow, Opheim, Nashua, Fort Peck, Duck Creek Rec Area, Fort Peck Marina, Frazer, St. Marie, Rock Creek Rec Area, Park Grove, Thoeny, Haxby, Weldon, Baylor, Glentana, Larslan, and Whatley.
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; Valley, MT
Forcast Office: 
NWS Glasgow MT
Sender: 
w-nws.webmaster@noaa.gov