Rain tracker map: Where it’s raining in the Bay Area

The first of three waves of rain is expected to arrive in the Bay Area on Friday afternoon, the National Weather Service said.

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Bay Area is expected to have a few dry days before the rain picks up again

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

The heaviest rainfall is expected Sunday and Monday. In the Sierra Nevada, the weather service has issued a winter storm watch from late Friday to late Monday, with 1 to 3 feet of snow expected above 7,000 feet elevation.

Updates on road closures and chain controls in the Sierra Nevada can be found on CalTrans’ website or mobile app or by calling (800) 427-7623.