The following "Hazardous Weather Statement" was issued at 9:42 a.m. Saturday by the National Weather Service:
A storm system currently over the Pacific will push through the Bay Area later today and early sunday. The storm system will initially bring periods of rain to the region Saturday afternoon through Saturday night as a cold front moves through.
Rainfall amounts associated with the cold front will generally be highest over the coastal mountains with one half to one inch possible. Lower elevations will generally be one quarter of an inch or less.
Scattered showers will be possible on sunday as the storm system exits the region. No flooding is expected at this time.
The storm system will also bring colder air over the region lowering snow levels tonight and sunday. Snow levels initially will be rather higher high...but fall close to 4000 feet by saturday night.
Snow will be possible over the higher peaks of Monterey and San Benito counties. Minor snow accumulations of a few inches will be possible.
The cold air will also bring a slight chance for thunderstorms with small hail tonight. Best chance for thunderstorms will be over coastal waters and inland locations south of Monterey Bay.
Persons with outdoor activities in this region should plan for adverse weather conditions and the possibility of accumulating snow in the mountains.
Lastly...winds will increase on Sunday and be strongest over the coastal waters and coastal mountains. Northerly winds of 20 to 30 mph with gusts to 40 mph will be possible.
Source: National Weather Service