LA beaches are preparing for 2 to 4 more inches of rain this weekend, Feb. 18-19.
LA-area motorists pass signs warning of heavy wind and rain Thursday.
Caltrans was dealing with unstable earth resulting from "big" mudslides, which could continue if the rain keeps falling.
Northern California is facing flood warnings as heavy rains fall.
Officials are continuing to monitor the Oroville Dam near Sacramento, where damage to a spillway has caused mass evacuations over the past week.