Heavy Snow — Northern Clearwater Mountains, Idaho

2023-12-01 to 2023-12-02 · Northern Clearwater Mountains, Idaho

Event narrative

Moderate to heavy snow occurred, causing widespread snow-covered roads. Difficult travel conditions were reported by the Idaho Transportation Department on Highway 12 near and over Lolo Pass. Elk River picked up over 15 inches of snow accumulation.

Wider weather episode

Northwest flow set up across the region with a series of disturbances that caused periods of moderate to heavy snowfall.

Source: NOAA Storm Events Database, event_id 1147256. Narrative written by the NWS forecast office that issued the report.