https://www.mercurynews.com/2023/01/07/bay-area-storm-map-saturdays-rain-is-first-of-two-waves/

Two storms are expected to hit the Bay Area in quick succession: one arriving before sunrise Saturday and lingering until Sunday morning, and the second — a stronger one — Monday and Tuesday.

The updating real-time radar map above shows areas of precipitation in green, with greater intensities indicated by yellow and orange.