The first of two weather systems arrived in the Bay Area on Thursday afternoon, expected to bring light rain and gusty winds.

The second, to arrive late Friday, is forecast to be wetter.

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

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.

Source: www.mercurynews.com