The National Weather Service has issued a Flash Flood Watch for parts of the Bay Area in effect through Sunday afternoon.
Heavy rainfall, particularly in the North Bay, is expected over the next several days and could lead to flooding, according to the National Weather Service.
The watch is in effect for areas including Point Reyes National Seashore, North Bay interior valleys and mountains, the San Francisco Bay shorelines and the San Francisco Peninsula coasts.
In Pleasanton today, rain will be likely in the morning, and there will be a chance of showers in the afternoon. Highs will be in the low 60s with south winds reaching up to 15 to 20 mph.
Tonight will be mostly cloudy with a chance of rain. The rain could be heavy at times. Lows will be in the mid-50s and south winds could reach 5 to 15 mph.
Friday will be mostly cloudy with a chance of rain in the morning. Rain could be heavy in the afternoon. Highs will be in the upper 50s, and south winds could reach 15 to 20 mph.