Winter Storm — Southwest Big Horn Basin, Wyoming

2022-04-11 to 2022-04-12 · Southwest Big Horn Basin, Wyoming

Event narrative

A trained spotter measured 8.5 inches of snow in Thermopolis.

Wider weather episode

Low pressure and an associated cold front moved across Wyoming and brought heavy snow to portions of western and central Wyoming. Across the lower elevations, the heaviest snow fell in the Star Valley where up to 13 inches fell. East of the Divide, the highest amounts were in northern Wyoming with 6-9 inches around Big Horn, Johnson and Hot Springs Counties. Across northern Wyoming, the snow combined with wind gusts over 50 mph brought very difficult driving conditions as well as road closures at times.

Source: NOAA Storm Events Database, event_id 1019577. Narrative written by the NWS forecast office that issued the report.