Oct 13, 2025
An early season storm system brought moderate to heavy snowfall to portions of the southern Cascades and Sierra Nevada mainly above 6500 feet. Storm total snow amounts of 6 to 21 inches were generally observed at and above 6500 feet. Widespread precipitation also brought localized roadway flooding to the lower elevations. The storm arrived on October 13th and lasted through the very early morning hours on October 15th.
Source: NOAA National Weather Service Storm Events Database (event 1293366). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Colusa County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.