Montana Moderate Special Weather Statement | Effective 08/18/2026 14:06

Headline: 
Special Weather Statement issued August 18 at 3:06PM MDT by NWS Great Falls MT
Event: 
Special Weather Statement
Urgency: 
Expected
Effective: 
August 18, 2026 - 2:06pm
Expires: 
August 18, 2026 - 2:45pm
Description: 
At 305 PM MDT, Doppler radar was tracking a strong thunderstorm near Townsend, moving east at 25 mph. HAZARD...Wind gusts up to 50 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... Townsend, Toston, and Radersburg.
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: 
Big Belt, Bridger and Castle Mountains; Elkhorn and Boulder Mountains; Canyon Ferry Area
Forcast Office: 
NWS Great Falls MT
Sender: 
w-nws.webmaster@noaa.gov