Headline:
Winter Weather Advisory issued October 9 at 11:29AM MDT until October 12 at 6:00AM MDT by NWS Great Falls MT
Event:
Winter Weather Advisory
Urgency:
Expected
Effective:
October 9, 2026 - 10:29am
Expires:
October 10, 2026 - 5:00am
Description:
* WHAT...Heavy wet snow possible. Total snow accumulations between 4
and 8 inches, with isolated amounts up to 12 inches above 8000
feet. Snow accumulation in the West Yellowstone area and valleys
near the Idaho border of up to 2 inches. Winds could gust as high
as 45 mph.
* WHERE...Gallatin and Madison County Mountains and Centennial
Mountains.
* WHEN...From 6 PM Saturday to 6 AM MDT Monday.
* IMPACTS...Travel could be difficult. Gusty winds combined with the
wet and heavy nature of the snow could bring down tree branches.
Isolated power outages are possible.
* ADDITIONAL DETAILS...Snowfall amounts will vary drastically from
grassy surfaces to roadways, most notably at lower elevations, with
accumulations on non-grassy surfaces being confined mainly to
between the evening through late morning hours.
Instruction:
Slow down and use caution while traveling. The latest road conditions
for the state you are calling from can be obtained by calling 5 1 1.
Area Description:
Gallatin and Madison County Mountains and Centennial Mountains
Forcast Office:
NWS Great Falls MT
Sender:
w-nws.webmaster@noaa.gov