Montana Special Weather Statement - Moderate | Effective 05/29/2026 16:15

Headline: 
Special Weather Statement issued May 29 at 5:15PM MDT by NWS Great Falls MT
Event: 
Special Weather Statement
Urgency: 
Expected
Effective: 
May 29, 2026 - 4:15pm
Expires: 
May 29, 2026 - 5:00pm
Description: 
At 514 PM MDT, Doppler radar was tracking a strong thunderstorm near Hays, or 8 miles west of Zortman, moving northeast at 5 mph. HAZARD...Nickel size hail. SOURCE...Radar indicated. IMPACT...Minor hail damage to vegetation is possible. Locations impacted include... Hays.
Instruction: 
Torrential rainfall is also occurring with this storm and may lead to localized flooding. Do not drive your vehicle through flooded roadways. 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: 
Bears Paw Mountains and Southern Blaine
Forcast Office: 
NWS Great Falls MT
Sender: 
w-nws.webmaster@noaa.gov