Heavy Snow — Big Lost Highlands-copper Basin, Idaho

2025-12-18 to 2025-12-19 · Big Lost Highlands-copper Basin, Idaho

Event narrative

SNOTEL snow amount estimate was 12.7 inches at Smiley Mountain.

Wider weather episode

Snow amounts of over a foot were widespread in southeast Idaho.

Source: NOAA Storm Events Database, event_id 1308234. Narrative written by the NWS forecast office that issued the report.