San Francisco County, CA — Severe Weather & Radar
No active severe-weather warnings for San Francisco County, CA right now. Live radar is below — set up alerts to get warned the moment one is issued.
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Severe-weather outlook
No severe-weather risk is outlooked for San Francisco County, CA today.
3-day forecast
Forecast via Open-Meteo.
When is severe weather most likely near San Francisco?
Severe thunderstorms and tornadoes are relatively rare in San Francisco County.
The larger weather threats are winter storm systems bringing damaging winds, heavy rain, and flooding, mainly from late fall through spring.
Based on long-term NOAA / NWS Storm Prediction Center climatology.
In San Francisco County, CA
San Francisco County, CA has an estimated 870,000 residents, plus 13 hospitals, 18 nursing homes, 132 schools, 11 dialysis centers that could be in a storm's path. Atmostorm shows which of them fall inside an active warning polygon.
Emergency-management view: who & what is in the warned path →
Nearby areas
Live radar and active alerts for places near San Francisco:
Not an official source — always confirm with the National Weather Service at weather.gov. Data aggregated from NWS/SPC. Facility and population figures are decision-support estimates.