Winter Storm — Northern Big Horn, Montana

2019-01-21 · Northern Big Horn, Montana

Event narrative

Snowfall of 4 to 7 inches was reported across the area. There were numerous slide-offs on Interstate 90.

Wider weather episode

A moist flow off the Pacific moved across an arctic air mass at the surface resulting in an overrunning snow event for portions of the Billings Forecast Area.

Source: NOAA Storm Events Database, event_id 802277. Narrative written by the NWS forecast office that issued the report.