The National Weather Service says between a quarter and a half an inch of rain is likely in the Sacramento area, mostly Wednesday night.
There's also about a 50 percent chance of rain Thursday.
Snow levels in the Sierra are expected to drop to about 6,000 feet by Thursday morning.
It is now the wettest season on record in Northern California, where most of the state gets its water supply.
UPDATE 10:48 p.m. Feb. 11: The evacuation and shelter-in-place notice has been lifted for Wilton residents.
(AP) - California's winter keeps getting wetter as the first in the latest round of storms moves ashore, bringing heavy rain and powerful winds.
(AP) - The National Weather Service in Reno says winds in excess of 100 mph over Sierra ridgetops could churn up waves as high as 5 feet on Lake Tahoe this weekend as a series of winter storms dumps several more feet of snow in the mountains.
Residents in Truckee and Washoe County are weathering the latest storm Tuesday while still reeling from the effects of the previous storm that hit over the weekend.