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Heavy Snow in Big Lost Highlands-copper Basin, Idaho
Heavy Snow December 18, 2025 – December 19, 2025 · Big Lost Highlands-copper Basin, Idaho
What the National Weather Service wrote
SNOTEL snow amount estimate was 12.7 inches at Smiley Mountain.
The wider storm
Snow amounts of over a foot were widespread in southeast Idaho.
Source: NOAA Storm Events Database, event 1308234. Narratives are written by the National Weather Service forecast office that issued the report.
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