Heavy Snow — Petroleum, Montana

2025-12-11 to 2025-12-13 · Petroleum, Montana

Event narrative

Snowfall was nearly continuous from Thursday (December 11th) until 6 AM Saturday (December 13th). Snowfall measurements Saturday morning ranged from 10 to 12 inches in central Petroleum county.

Wider weather episode

A strong low pressure system moved southeast through the region beginning on Friday December 12th, spreading heavy snow across portions of northeast Montana.

Source: NOAA Storm Events Database, event_id 1297346. Narrative written by the NWS forecast office that issued the report.