PG&E is planning a power shut down that could affect approximately 250,000 customers in portions of 22 counties in the Sierra Foothills, North Valley and North Bay. Other parts of the Bay Area are not expected to be included.
A Fire Weather Watch begins early Wednesday morning at 4 a.m. and last until 7 a.m. Thursday.
The National Weather Service has issued a Fire Weather Watch that includes the North Bay and the East Bay hills and the Diablo Range in the East Bay.  Wednesday is expected to be the day PG&E is watching for high winds.
The counties are Butte, Colusa, El Dorado, Glenn, Lake, Mendocino, Napa, Nevada, Placer, Plumas, Shasta, Sierra, Solano, Sonoma, Sutter, Tehama, Trinity, Yolo and Yuba.