Montana Moderate Special Weather Statement | Effective 07/13/2026 20:32

Headline: 
Special Weather Statement issued July 13 at 9:32PM MDT by NWS Great Falls MT
Event: 
Special Weather Statement
Urgency: 
Expected
Effective: 
July 13, 2026 - 8:32pm
Expires: 
July 13, 2026 - 9:15pm
Description: 
At 931 PM MDT, Doppler radar was tracking strong thunderstorms along a line extending from 19 miles southeast of Harrison to near Ennis. Movement was northeast at 25 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Gallatin Gateway.
Instruction: 
Frequent cloud to ground lightning is occurring with these storms. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. These storms 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: 
Missouri Headwaters; Madison River Valley; Gallatin Valley; Gallatin and Madison County Mountains and Centennial Mountains
Forcast Office: 
NWS Great Falls MT