Winter Storm — Bighorn Mountains West, Wyoming

2023-10-11 to 2023-10-12 · Bighorn Mountains West, Wyoming

Event narrative

Heavy snow fell in the higher elevations of the western Bighorns. The highest amount was 16 inches at the Shell Creek SNOTEL site.

Wider weather episode

An area of low pressure brought deep moisture from the Gulf of Mexico and brought heavy snow to the mountains East of the Continental Divide, mainly above 8000 feet. The heaviest snow fell on the eastern slopes of mountain ranges. Over 3 feet of snow fell in portions of the Absarokas and the eastern Bighorn Range. Amounts of 1 to 2 feet also fell in on Casper Mountain, the eastern Wind River Range, and the western Bighorn Range. Below 7500 feet, most precipitation fell as rain, with only light accumulations on non-paved surfaces.

Source: NOAA Storm Events Database, event_id 1143061. Narrative written by the NWS forecast office that issued the report.