Montana Winter Weather Advisory | Effective 05/16/2026 19:44

Headline: 
Winter Weather Advisory issued May 16 at 8:44PM MDT until May 17 at 6:00AM MDT by NWS Great Falls MT
Event: 
Winter Weather Advisory
Urgency: 
Expected
Effective: 
May 16, 2026 - 7:44pm
Expires: 
May 17, 2026 - 5:00am
Description: 
* WHAT...Snow. Total snow accumulations 3 to 7 inches, with higher amounts on high peaks. Winds gusting as high as 40 mph. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...Until 6 AM MDT Sunday. * IMPACTS...Plan on slippery and slushy road conditions and raw back country conditions Saturday evening into Sunday.
Instruction: 
Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock. Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period.
Area Description: 
Gallatin and Madison County Mountains and Centennial Mountains
Forcast Office: 
NWS Great Falls MT
Sender: 
w-nws.webmaster@noaa.gov