Winter Storm — Yellowstone National Park, Wyoming

2021-12-23 to 2021-12-24 · Yellowstone National Park, Wyoming

Event narrative

Heavy snow fell in the higher elevations of Yellowstone National Park. The highest amount was 25 inches at the Two Ocean Plateau SNOTEL in the southeast corner of the park.

Wider weather episode

A Pacific Cold Front and associated trough moved across the Cowboy State and brought heavy snow and high wind to portions of the area. The snow and wind disrupted holiday travel across the affected areas. The heaviest snow fell in Yellowstone National Park where the higher elevations received up to two feet of new snow. Over a foot of snow also fell in portions of the Teton and Wyoming mountain ranges. The highest amount in the lower elevations was 11 inches near Wilson in the Jackson Valley. High winds also occurred east of the Continental Divide. Ahead of the front, the wind prone areas south of Casper saw wind gusts as high as 68 mph. Behind the front, a wind gust to 59 mph was registered at the airport near Buffalo.

Source: NOAA Storm Events Database, event_id 997049. Narrative written by the NWS forecast office that issued the report.