The California Highway Patrol is reporting two mud and rock slides on State Highway 1 Friday afternoon.
Tehama, Sonoma, Marin and Lake counties have proclaimed “local emergencies” following the storms last week.
Workers are using crowbars to loosen rocks that could crash down during heavy rains or runoff Thursday and Friday.
State Highway 1 between Meyers Grade Road north of Jenner and Timber Cove Road north of Fort Ross on the Sonoma Coast will remain closed for at least a week.
A flash flood watch will remain in effect for most of the Bay Area extending to the Santa Cruz Mountains throughout the weekend.
The second in a series of storms was hitting the Bay Area and Northern California, with heavy rain and wind knocking out power and causing localized flooding.