San Bernardino County, CA — Severe Weather & Radar
No active severe-weather warnings for San Bernardino 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
General (non-severe) thunderstorms are possible in San Bernardino County, CAtoday, per the Storm Prediction Center's Day 1 outlook.
3-day forecast
Forecast via Open-Meteo.
When is severe weather most likely near San Bernardino?
Severe thunderstorms and tornadoes are relatively rare in San Bernardino 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 Bernardino County, CA
San Bernardino County, CA has an estimated 2,200,000 residents, plus 19 hospitals, 55 nursing homes, 576 schools, 132 mobile-home parks, 41 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 Bernardino:
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.