Montana Moderate Special Weather Statement | Effective 08/18/2026 15:23

Headline: 
Special Weather Statement issued August 18 at 4:23PM MDT by NWS Great Falls MT
Event: 
Special Weather Statement
Urgency: 
Expected
Effective: 
August 18, 2026 - 3:23pm
Expires: 
August 18, 2026 - 4:30pm
Description: 
At 423 PM MDT, Doppler radar was tracking a cluster of strong thunderstorms 16 miles south of White Sulphur Springs, moving east at 30 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 hail damage to vegetation is possible. Locations impacted include... Lennep and Ringling.
Instruction: 
If outdoors, consider seeking shelter inside a building. Torrential rainfall is also occurring with this storm and may lead to localized flooding. Do not drive your vehicle through flooded roadways.
Area Description: 
Big Belt, Bridger and Castle Mountains; Meagher County Valleys
Forcast Office: 
NWS Great Falls MT
Sender: 
w-nws.webmaster@noaa.gov