Winter Storm — Bighorn Canyon, Montana
2019-11-29 to 2019-11-30 · Bighorn Canyon, Montana
Event narrative
Fort Smith received 8 inches of snow.
Wider weather episode
An upper low moved across south central Wyoming during the late night hours of the 29th through the 30th. This resulted in a deep upslope flow across much of the Billings Forecast Area. Heavy snow, along with some freezing rain and freezing drizzle were widespread across the area. Severe driving conditions were common. I-90 was closed for a period of time through Big Horn County into Sheridan County Wyoming.
Source: NOAA Storm Events Database, event_id 863592. Narrative written by the NWS forecast office that issued the report.