winterstormwarning.com

Winter Storm Warning, Wyoming

Severe

Another 2 to 6 inches of snow. Travel will likely be very difficult, especially along mountain passes like Teton, Togwotee, and South Pass due to a combination of strong winds and falling snow reducing visibilities.

Ended Wednesday, December 17, 2025.

Issued
Expires
Updated

Places in this warning

How much

Snow across the area
Another 2 to 6 inches

Map

Map of Wyoming with this warning The Winter Storm Warning covers Wilson, Teton Village, Alta. Also shown: Winter Weather Advisory. I-90I-15I-80I-25I-84WilsonAltaMammothAtlantic CityWYOMINGIDAHOUTAHMONTANA50 mi I-90I-15I-80I-25WilsonTeton VillageMammothWYOMINGIDAHOUTAHMONTANA100 mi I-15I-80I-90WilsonTeton VillageWYOMINGIDAHOUTAHMONTANA100 mi I-15I-80WilsonAltaWYOMINGIDAHOUTAHMONTANA100 mi
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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
Heavy snow. Additional snow accumulations 2 to 6 inches. Winds gusting 50 to 70 mph, with isolated higher gusts.
Where
Portions of central, northwest, and west central Wyoming.
When
Until 11 at night this evening.
Impacts
Travel will likely be very difficult, especially along mountain passes like Teton, Togwotee, and South Pass due to a combination of strong winds and falling snow reducing visibilities.
Additional details
Areas of winds near 85 mph possible, especially for eastern mountain slopes, like the eastern Absaroka and Wind River Mountains.

Updates

  1. Allowed to end on time. December 17, 2025
  2. Snow totals lowered from 6 to 12 inches to 2 to 6 inches. December 17, 2025
  3. Reissued with no change to the times or amounts. December 17, 2025
  4. Replaces the Winter Storm Watch. December 16, 2025