Rain is expected throughout the Bay Area beginning Monday morning, and there is a possibility of thunderstorms, the National Weather Service said on Sunday

The NWS is forecasting between 1 and 2 inches of rain in the lower elevations, and between 1 and 3 inches of rain in the higher elevations.

📢The forecast has been updated to reflect an earlier arrival time of our next system. Widespread rainfall with a chance for thunderstorms will return by late tomorrow morning. Scattered rain showers and a chance for thunderstorms will linger into Tuesday. #CAwx 🌧️⛈️🌦️ pic.twitter.com/8A280EGj3a — NWS Bay Area 🌉 (@NWSBayArea) October 12, 2025

Heavy rainfall is possible in areas that experience thunderstorms, along with lightning strikes and gusty winds. The NWS said the heavy rainfall cou

See Full Page