Winter Storm — Northern Sweet Grass, Montana

2025-02-06 to 2025-02-07 · Northern Sweet Grass, Montana

Event narrative

Snowfall of 9 to 10 inches occurred across the area. Interstate 90 was closed through Big Timber.

Wider weather episode

An atmospheric river moved onto the west coast and across the northern Rockies. This moisture overran an arctic airmass at the surface which resulted in heavy snow across the Billings Forecast area.

Source: NOAA Storm Events Database, event_id 1235358. Narrative written by the NWS forecast office that issued the report.