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Winter Storm in Southwest Big Horn Basin, Wyoming
Winter Storm April 17, 2025 – April 18, 2025 · Southwest Big Horn Basin, Wyoming
What the National Weather Service wrote
A COOP observer reported 7 inches of snow in Thermopolis.
The wider storm
A cold front dropped southward over Wyoming and combined with ample moisture to bring heavy snow to portions of northern and central Wyoming. The heaviest snow fell in the favored north to northeast facing slopes of the mountain ranges as upslope flow developed. Over 2 feet of snow fell in portions of the Wind River Range and the Lander foothills. Over a foot of snow also fell in the higher elevations south of Casper in Natrona County. Over 6 inches of snow fell in the lower elevations in portions of Park, Sublette, Natrona and Hot Springs county.
Source: NOAA Storm Events Database, event 1247969. Narratives are written by the National Weather Service forecast office that issued the report.
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