Winter Storm — Southern Rosebud, Montana
2019-11-29 to 2019-11-30 · Southern Rosebud, Montana
Event narrative
Snow and black ice resulted in chains being required from Lame Deer to Ashland.
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 863595. Narrative written by the NWS forecast office that issued the report.