The warning will take effect at 11 p.m. Tuesday and is expected to expire on Wednesday at 8 p.m.
VIDEO: How are wildfires started? A look at the causes of some of the worst in California history
Most destructive California wildfires in history
[Ads /]
"Conditions for rapid fire spread will be most prominent along the higher terrain in eastern Napa County," the NWS says.
Officials are warning residents to not burn outdoors and to keep in touch with local officials for the most up-to-date information.
The NWS says this is the first time since October 2021 that they have issued a Red Flag Warning for the Bay Area.
For a better experience, click here to view the full map in a new window
[Ads /]
The video in the media player above is from a previous report.