Winter Storm Warnings
December 5 2025
* WHAT...Snow expected. Total snow accumulations between 2 and 6
inches with higher snow totals expected at and above pass level
with 7 to 10 inches of snow for Galena Summit. Very gusty winds
developing late Friday into Friday night.
* WHERE...Sawtooth/Stanley Basin and Sun Valley Region.
* WHEN...Until 5 AM MST Saturday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Thursday evening and Friday commutes.
* WHAT...Heavy snow expected at times. Total snow accumulations
through Friday night between 3 and 6 inches in the valleys and 10
to 18 inches in the mountains. A few locations above 8000 ft could
see higher amounts with snow rates approaching an inch per hour at
times. Very gusty winds developing late Friday into Friday night.
* WHERE...Big Hole Mountains, Centennial Mountains - Island Park,
Teton Valley, Bear Lake Valley, Bear River Range, Blackfoot
Mountains, Caribou Range, Franklin/Eastern Oneida Region, and
Marsh and Arbon Highlands.
* WHEN...Until 5 AM MST Saturday.
* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions could impact the Friday morning commute.
* WHAT...Snow expected. Total snow accumulations between 2 and 6
inches with totals closer to the higher end of that range from
Rexburg northward. Very gusty winds developing late Friday into
Friday night.
* WHERE...Upper Snake River Plain.
* WHEN...Until 5 AM MST Saturday.
* IMPACTS...Travel could be very difficult. The hazardous conditions
could impact the Thursday evening and Friday commutes.
