Montana Moderate Special Weather Statement | Effective 09/13/2026 17:22

Headline: 
Special Weather Statement issued September 13 at 6:22PM MDT by NWS Great Falls MT
Event: 
Special Weather Statement
Urgency: 
Expected
Effective: 
September 13, 2026 - 5:22pm
Expires: 
September 13, 2026 - 6:00pm
Description: 
At 622 PM MDT, Doppler radar was tracking a strong thunderstorm 18 miles southeast of Cascade, moving northeast at 35 mph. HAZARD...Wind gusts up to 40 mph and penny size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Sluice Boxes State Park, Eden, and Stockett.
Instruction: 
If outdoors, consider seeking shelter inside a building. Cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. This storm may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service.
Area Description: 
Cascade County below 5000ft; Gates of the Mountains; Little Belt and Highwood Mountains
Forcast Office: 
NWS Great Falls MT
Sender: 
w-nws.webmaster@noaa.gov