It will be a Level 1 Storm, according to our ABC7 Storm Impact Scale.
Rain enters the region after 7 p.m. starting in the North Bay.
LIVE: Track rain in San Francisco Bay Area with Live Doppler 7
The steadiest rain will be between midnight and 4 a.m. Thursday across the entire Bay Area.
The Thursday morning commute will only feature an isolated shower.
TIMELINE: Bay Area to get hit with several storms within the next 7 days
Another round of light rain will move through Thursday afternoon and evening.
Scattered showers are in the forecast for the San Francisco 49ers game against the Los Angeles Rams during kickoff at 5:15 p.m. at Levi's Stadium.
And a Winter Weather Advisory will be in effect in the Sierra for 3"-9" of snow.
MORE: Tips for how to drive safely on rainy days