Heavy Snow — Upper Blackfoot and Macdonald Pass, Montana

2022-12-20 to 2022-12-21 · Upper Blackfoot and Macdonald Pass, Montana

Event narrative

Spotter reported 6 inches of new snow over a 10 hour period.

Wider weather episode

Arctic air dropped south from Canada the week before Christmas bringing widespread frigid wind chills to the region. The arctic front reported in strong wind gusts and blizzard conditions in Southwest Montana. Additional areas of light to moderate snow affected much of the region.

Source: NOAA Storm Events Database, event_id 1073293. Narrative written by the NWS forecast office that issued the report.