Winter Storm — Modoc County, California

2025-12-25 to 2025-12-26 · Modoc County, California

Event narrative

National Gridded Snowfall Analysis indicated storm totals of 1 to 9 inches. Amounts were lowest near Alturas. Precipitation amounts in the zone included 0.52 inches at Timber Mountain, 0.78 inches at Tickner Road, 0.80 inches at Adin Mountain, and 1.00 inches at Dismal Swamp.

Wider weather episode

A persistent upper level low off the west coast sent two cold fronts across northern California with gusty southerly winds. Snow levels were high, at around 5500 feet, with the first front from 12/24 . It brought moderate snow. Heavy snow then occurred at elevations above 3000 feet with the slower, colder, stronger second front on 12/25 and post-frontal snow showers on 12/26.

Source: NOAA Storm Events Database, event_id 1303462. Narrative written by the NWS forecast office that issued the report.