Montana Special Weather Statement | Effective 05/20/2026 13:26

Headline: 
Special Weather Statement issued May 20 at 2:26PM MDT by NWS Glasgow MT
Event: 
Special Weather Statement
Urgency: 
Expected
Effective: 
May 20, 2026 - 1:26pm
Expires: 
May 20, 2026 - 2:30pm
Description: 
At 225 PM MDT, Doppler radar was tracking a strong thunderstorm over Fort Peck, or 13 miles southeast of Glasgow, moving east at 25 mph. HAZARD...Wind gusts up to 50 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Glasgow, Nashua, Fort Peck, The Pines Rec Area, Tampico, Duck Creek Rec Area, Lustre, Fort Peck Marina, Hell Creek Rec Area, Frazer, Nelson Creek Rec Area, Rock Creek Rec Area, Oswego, Park Grove, The Bentonite Plant, Weldon, Haxby, and Whatley.
Instruction: 
If outdoors, consider seeking shelter inside a building. If on or near Fort Peck Lake, get out of the water and move indoors or inside a vehicle. Remember, lightning can strike out to 10 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: 
Central and Southern Valley; Western Roosevelt; Garfield; McCone
Forcast Office: 
NWS Glasgow MT