Dec 22, 2025
Beginning mid-December, a series of storm systems impacted Northwest California with the first set of storms bringing particularly heavy rain from December 19th through December 21st. The heaviest rain occurred in Humboldt County, but impacts were felt across the Northwest California region. Both small stream and main stem river flooding occurred during the event with the Mad and Eel Rivers exceeding moderate flood stage.
Source: NOAA National Weather Service Storm Events Database (event 1300783). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Mendocino County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.