Flood — Placer, California

2025-11-13 to 2025-11-14 · near (blu)blue Canyon Arp, Placer, California

Event narrative

California Highway Patrol reported roadway flooding at Interstate 80 and Emigrant Gap offramp.

Wider weather episode

An Atmospheric River in the middle of November brought light mountain snow, widespread rainfall with roadway flooding, gusty winds, and thunderstorms from November 12th through November 14th. Around 1 to 4 inches of rain were observed across interior northern California over this 48 hour period. Gusty southerly winds of 25 to 65 mph were also observed as well. 4 to 12 inches of snow was estimated to have fallen at the highest peaks, generally above 8000 feet in the Sierra Nevada, mainly south of US Highway 50.

View location on OpenStreetMap → (39.3000, -120.6600)

Source: NOAA Storm Events Database, event_id 1300383. Narrative written by the NWS forecast office that issued the report.