Forecasters say post frontal rain showers with a slight chance for thunderstorms will continue today. Rain showers are expected to linger into Tuesday before gradually decreasing from north to south.

The National Weather Service issued a winter storm warning today for Northern California coastal areas, including the Bay Area.  A flood watch is in effect for the Bay Area and Central Coast through Friday morning. The weather service forecast for San Jose features rain for at least the next two weeks.

The atmospheric river will be most severe on Friday, with a flood watch already in effect today through Sunday, a wind advisory today and tomorrow for the entire Bay Area and Gov. Gavin Newsom declaring a state of emergency for Santa Clara and 20 other counties.

Wind gusts are expected to reach 40 to 50 mph, with blowing snow and reduced visibility in the higher elevations.

Page Mill Road will be closed from 8am-5pm today and Friday, while crews repair a sinkhole along a stretch of the road between Paseo del Roble Drive near Moon Lane and Arastradero Road in Los Altos Hills. State Route 92 was closed early this morning in both directions along a 4-mile stretch between Skyline Boulevard and west to Pilarcitos Creek Road.