Flood — San Mateo, California

2025-02-04 · near San Bruno, San Mateo, California

Event narrative

All lanes of northbound Interstate 280 right before the San Bruno Avenue offramp were flooded.

Wider weather episode

An intense atmospheric river impacted the Bay Area from February 3rd to the 4th, bringing heavy rain and strong wind to the region, especially across the North Bay. The Russian River near Guerneville flooded due to the heavy rain.

View location on OpenStreetMap → (37.6210, -122.4263)

Source: NOAA Storm Events Database, event_id 1252659. Narrative written by the NWS forecast office that issued the report.