Dec 25, 2025
A series of storm systems impacted the Bay Area and Central Coast from December 19 to 25th, impacting Christmas holiday travel across the region. The most impactful systems arrived on Christmas Eve and Christmas Day. Two tornado warnings were issued for the coastal regions of San Mateo and Santa Cruz counties based off radar indicated rotation. San Francisco International Airport reported delays of at least 300 flights during the storms, and over 400,000 customers across the Bay Area and 30,000
Source: NOAA National Weather Service Storm Events Database (event 1299846). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in San Francisco County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.