Montana Moderate Special Weather Statement | Effective 08/23/2026 16:43

Headline: 
Special Weather Statement issued August 23 at 5:43PM MDT by NWS Great Falls MT
Event: 
Special Weather Statement
Urgency: 
Expected
Effective: 
August 23, 2026 - 4:43pm
Expires: 
August 23, 2026 - 5:45pm
Description: 
At 543 PM MDT, Doppler radar was tracking a strong thunderstorm 21 miles northwest of Henrys Lake, moving east at 35 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... Yellowstone Village and Raynolds Pass.
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. A Severe Thunderstorm Watch remains in effect until 700 PM MDT for south central and southwestern Montana.
Area Description: 
Madison River Valley; Gallatin and Madison County Mountains and Centennial Mountains
Forcast Office: 
NWS Great Falls MT
Sender: 
w-nws.webmaster@noaa.gov