Alerts from the National Weather Service are in effect for all Bay Area counties except for San Francisco, plus Sacramento.
- Winter Weather Advisory - Alameda, Contra Costa, Marin, Santa Cruz, Napa, San Mateo, Sonoma
- Freeze Warning - Marin, Napa, Sonoma
- Wind Advisory - Sacramento, Solano
- Flood Advisory - Santa Clara, Santa Cruz
- Hard Freeze Watch - Solano