Montana Special Weather Statement - Moderate | Effective 05/29/2026 14:53

Headline: 
Special Weather Statement issued May 29 at 3:53PM MDT by NWS Great Falls MT
Event: 
Special Weather Statement
Urgency: 
Expected
Effective: 
May 29, 2026 - 2:53pm
Expires: 
May 29, 2026 - 3:30pm
Description: 
At 353 PM MDT, Doppler radar was tracking a strong thunderstorm near Grass Range, or 24 miles east of Lewistown, moving north at 10 mph. HAZARD...Nickel size hail. SOURCE...Radar indicated. IMPACT...Minor hail damage to vegetation is possible. This storm will remain over mainly rural areas of east central Fergus County.
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: 
Fergus County below 4500ft; Snowy and Judith Mountains
Forcast Office: 
NWS Great Falls MT
Sender: 
w-nws.webmaster@noaa.gov