Montana Winter Weather Advisory | Effective 05/16/2026 11:29

Headline: 
Winter Weather Advisory issued May 16 at 12:29PM MDT until May 17 at 6:00AM MDT by NWS Great Falls MT
Event: 
Winter Weather Advisory
Urgency: 
Expected
Effective: 
May 16, 2026 - 11:29am
Expires: 
May 17, 2026 - 2:30am
Description: 
* WHAT...Snow expected. 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...From 5 PM this afternoon to 6 AM MDT Sunday. * IMPACTS...Plan on slippery and slushy road conditions and raw back country conditions Saturday evening into Sunday. * ADDITIONAL DETAILS...Snow levels quickly fall this evening after a round of showers and perhaps a couple thunderstorms this afternoon. Those with back country plans should be aware of the forecast raw conditions.
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.
Area Description: 
Gallatin and Madison County Mountains and Centennial Mountains
Forcast Office: 
NWS Great Falls MT
Sender: 
w-nws.webmaster@noaa.gov