Montana Moderate Special Weather Statement | Effective 09/13/2026 19:35

Headline: 
Special Weather Statement issued September 13 at 8:35PM MDT by NWS Great Falls MT
Event: 
Special Weather Statement
Urgency: 
Expected
Effective: 
September 13, 2026 - 7:35pm
Expires: 
September 13, 2026 - 8:15pm
Description: 
At 835 PM MDT, Doppler radar was tracking a strong thunderstorm 30 miles northwest of White Sulphur Springs, moving northeast at 40 mph. HAZARD...Nickel size hail. SOURCE...Radar indicated. IMPACT...Minor hail damage to vegetation is possible. Locations impacted include... Monarch.
Instruction: 
If outdoors, consider seeking shelter inside a building. 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; Little Belt and Highwood Mountains; Meagher County Valleys
Forcast Office: 
NWS Great Falls MT
Sender: 
w-nws.webmaster@noaa.gov