winterstormwarning.com

Winter Storm Watch, Wyoming

Severe

8 to 12 inches of snow possible on the northern end of the mountains, gusts up to 55 mph. Travel could be difficult over Powder River Pass and Granite Pass.

Ended Friday, March 13, 2026.

Replaced by the Winter Weather Advisory on Friday, March 13, 1:23 in the afternoon.

Issued
Expires

Places in this watch

How much

Snow across the area
8 to 12 inches
Wind gusts
Up to 55 mph

Map

Map of Wyoming with this watch The Winter Storm Watch covers Wilson, Teton Village, Alta. I-90I-25I-15US 87US 14WilsonAltaMammothWYOMINGIDAHOMONTANA50 mi I-90I-25I-15US 87WilsonAltaMammothWYOMINGIDAHOMONTANA50 mi I-90I-25US 14WilsonAltaWYOMINGIDAHOMONTANA50 mi I-90I-25WilsonWYOMINGMONTANA100 mi
  • This watch
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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
Heavy snow possible. Total snow accumulations between 8 and 12 inches possible on the northern end of the mountains. Accumulations of 3 to 6 inches possible along Powder River Pass. Winds could gust as high as 55 mph.
Where
Bighorn Mountains Southeast and Bighorn Mountains West.
When
From Saturday morning through late Saturday night.
Impacts
Travel could be difficult over Powder River Pass and Granite Pass.

Updates

  1. Winter Storm Watch issued for Saturday morning through Sunday morning. March 13, 2026