Heavy Snow — Upper Blackfoot and Macdonald Pass, Montana

2023-03-14 to 2023-03-15 · Upper Blackfoot and Macdonald Pass, Montana

Event narrative

Spotter located about 11 miles west of Helena reported new snowfall of 6 inches over 12 hours.

Wider weather episode

A Pacific weather system arrived from the west and ushered in an unsettled weather pattern that persisted through mid-week. Strong wind occurred along the Rocky Mountain Front and portions of Central and Southwest Montana. Heavy snow also developed along the immediate eastern slopes of the Continental Divide and the southwestern mountains.

Source: NOAA Storm Events Database, event_id 1089506. Narrative written by the NWS forecast office that issued the report.