Montana Moderate Special Weather Statement | Effective 08/18/2026 13:38

Headline: 
Special Weather Statement issued August 18 at 2:38PM MDT by NWS Billings MT
Event: 
Special Weather Statement
Urgency: 
Expected
Effective: 
August 18, 2026 - 1:38pm
Expires: 
August 18, 2026 - 2:30pm
Description: 
At 238 PM MDT, Doppler radar was tracking an area of strong thunderstorms 8 miles south of Roundup, moving southeast 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 damage to outdoor objects is possible. Locations impacted include... Roundup and Klein.
Instruction: 
Monitor the weather situation closely and be alert for threatening weather conditions. 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: 
Musselshell; Northeastern Yellowstone; Southwestern Yellowstone
Forcast Office: 
NWS Billings MT
Sender: 
w-nws.webmaster@noaa.gov