Winter Storm — Northern Big Horn, Montana

2019-11-29 to 2019-11-30 · Northern Big Horn, Montana

Event narrative

Snowfall of 6 inches along with black ice was reported across the area. I-90 was closed from Hardin to the state line.

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 863596. Narrative written by the NWS forecast office that issued the report.