Red Flag Warning midnight on Saturday until noon on Monday for North Bay hills. 
RED FLAG WARNING FROM LATE TONIGHT THROUGH MONDAY MORNING FOR NORTH AND EAST BAY HILLS/MOUNTAINS...
Critical fire weather conditions are likely to develop beginning
late tonight and persist through Monday morning due to a
combination of strong, gusty offshore winds and low relative
humidity across the North Bay Mountains, East Bay Hills and Diablo
Range.
The National Weather Service in San Francisco has issued a Red
Flag Warning, which is in effect from midnight tonight to noon
PDT Monday. The Fire Weather Watch is no longer in effect.
* AFFECTED AREA...Fire weather zones 507 and 511...The North Bay Mountains, East Bay Hills and Diablo Range.
* WIND...Northeast winds 20 to 35 with gusts to 45 mph, local
gusts up to 60 mph.
* HUMIDITY...Minimum daytime humidity values as low as 5 to 10
percent, with overnight humidity recoveries as low as 30
percent.
* GREATEST THREAT...Elevations above 1,000 feet in Napa County
and eastern Sonoma County where the driest conditions and
strongest winds are most likely.
* IMPACTS...Any fires that develop will likely spread rapidly.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now...or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.
Address/Location
Sonoma County Fire District
8200 Old Redwood Hwy
Windsor, CA 95492
Contact
Emergency: 9-1-1
Non-emergencies: 707-838-1170
