Headline:
Winter Weather Advisory issued May 15 at 11:59AM MDT until May 17 at 6:00AM MDT by NWS Great Falls MT
Event:
Winter Weather Advisory
Urgency:
Expected
Effective:
May 15, 2026 - 10:59am
Expires:
May 16, 2026 - 5:00am
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 Saturday 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 Saturday evening
after a round of showers and perhaps a couple thunderstorms
Saturday 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: