Montana Special Weather Statement - Moderate | Effective 05/29/2026 16:44

Headline: 
Special Weather Statement issued May 29 at 5:44PM MDT by NWS Great Falls MT
Event: 
Special Weather Statement
Urgency: 
Expected
Effective: 
May 29, 2026 - 4:44pm
Expires: 
May 29, 2026 - 5:30pm
Description: 
At 544 PM MDT, Doppler radar was tracking strong thunderstorms along a line extending from Roy to 8 miles north of Grass Range to 25 miles southeast of Lewistown. Movement was north at 35 mph. HAZARD...Wind gusts of 45 to 55 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Grass Range, Roy, and Valentine.
Instruction: 
If outdoors, consider seeking shelter inside a building.
Area Description: 
Fergus County below 4500ft; Snowy and Judith Mountains
Forcast Office: 
NWS Great Falls MT
Sender: 
w-nws.webmaster@noaa.gov