Winter Storm — Northeast Bighorn Mountains, Wyoming

2023-02-20 to 2023-02-22 · Northeast Bighorn Mountains, Wyoming

Event narrative

Severe driving conditions were reported. Highway 14 was closed.

Wider weather episode

An arctic front moved across the Billings Forecast Area. This was followed by a moist flow aloft off the Pacific. This moist flow aloft produced a multi-day overrunning snow event across northern Wyoming. Sheridan County received heavy snow accumulations.

The storm impacted travel across the area. Interstate 90 was shut down from Sheridan to Gillette for nearly a day.

Source: NOAA Storm Events Database, event_id 1075678. Narrative written by the NWS forecast office that issued the report.