winterstormwarning.com

Winter Weather Advisory, Idaho

Moderate

6 to 10 inches of snow in the high terrain, including Lost Trail Pass, and 1 to 3 inches in the valleys. For MODERATE winter weather impacts, expect disruptions to normal activities.

Ended Monday, December 22, 2025.

Issued
Expires
Updated

Places in this advisory

How much

Snow across the area
6 to 10 inches

Map

Map of Idaho with this advisory The Winter Weather Advisory covers Salmon, Pierce, Elk City. Also shown: Winter Weather Advisory. I-15I-84I-90I-115US 12SalmonPierceElk CityElk RiverLeadoreOREGONIDAHOWASHINGTONMONTANA50 mi I-15I-84I-90I-115SalmonPierceElk CityElk RiverOREGONIDAHOWASHINGTONMONTANA50 mi I-15I-90I-84SalmonPierceElk CityOREGONIDAHOWASHINGTONMONTANA50 mi I-15I-84SalmonPierceElk CityOREGONIDAHOMONTANA100 mi
  • This advisory
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  • US highways
Alert area: National Weather Service. Borders and highways: U.S. Census Bureau. Lakes, rivers and other countries: Natural Earth. Open this area in OpenStreetMap

Details from the National Weather Service

What
Snow expected. There is a likelihood of minor winter weather impacts. Total snow accumulations 6 to 10 inches in the high terrain, including Lost Trail Pass, and 1 to 3 inches in the valleys. Winds gusting 35 to as 45 mph in the terrain.
Where
Highway 93 Lost Trail Pass to Gibbonsville, Shoup, Bannock Pass, Salmon, Williams Creek Summit, Highway 28 Tendoy to Lone Pine, and Lemhi Pass.
When
Until 9 in the morning Monday.
Impacts
For MODERATE winter weather impacts, expect disruptions to normal activities. Use extra caution while driving. The Monday morning commute could be affected, especially over higher passes.
Additional details
Snow levels are expected to rise today with valleys, including Salmon, switching to a wintry mix or rain. Should snow levels rise slower than forecast, an additional 1 to 3 inches of snow is possible. Watch out for black ice during the night. Take it slow, especially around curves.

Updates

  1. Extended to Monday, 11 in the morning. Area expanded. December 21, 2025
  2. Winter Weather Advisory issued for Sunday morning through Monday morning. December 21, 2025