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Winter Storm in Yellowstone National Park, Wyoming
Winter Storm December 20, 2025 – December 22, 2025 · Yellowstone National Park, Wyoming
What the National Weather Service wrote
Heavy snow fell in southwestern Yellowstone Park, with a maximum amount of 19 inches at Lewis Lake Divide.
The wider storm
A Pacific trough and cold front brought heavy snow to the northwestern mountains. This was a warmer system with most snow falling above 8000 feet in elevation. The most snow fell in the Tetons, with 20 inches of new snow at the Jackson Hole Ski Resort. Other notable amounts included 19 inches at the Lewis Lake Divide SNOTEL site in Yellowstone Park and 14 inches at the Beartooth Lake SNOTEL site in the Absarokas. In the Lander Foothills, strong downslope winds developed. The maximum gust reported was 68 mph at the Lander airport.
Source: NOAA Storm Events Database, event 1306375. Narratives are written by the National Weather Service forecast office that issued the report.
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