Severe · Red Flag WarningActive alert
Red Flag Warning issued October 15 at 11:40AM PDT until October 16
Affecting North Bay Interior Mountains
In effect until: Oct 16, 2026, 6:00 PM
North Bay Interior Mountains
Likely impact; effects through 6:00 PM.
Do not burn anything outdoors. Monitor official channels and be prepared to leave quickly if ordered.
Read the original bulletin (official text)
...RED FLAG WARNING IN EFFECT FROM 10 PM THIS EVENING TO 11 AM PDT FRIDAY DUE TO WIND AND LOW RELATIVE HUMIDITY FOR NORTH BAY INTERIOR MOUNTAINS... .Moderate offshore winds will develop Thursday evening into Friday morning over the North Bay Interior Mountains. Conditions will be very dry with very poor overnight humidity recoveries only reaching 14 to 24 percent. Rapid fire spread is possible given the combination of gusty northerly winds and very dry overnight conditions. The National Weather Service in San Francisco CA has issued a Red Flag Warning in effect from 10 PM this evening to 11 AM PDT Friday. * AFFECTED AREA...North Bay Interior Mountains. * TIMING...From 10 PM this evening to 11 AM PDT Friday. * WINDS 20 FOOT...North winds 20 to 30 mph with gusts up to 40 mph. The highest peaks above 4000ft will see gusts up to 60 mph. * RELATIVE HUMIDITY...Relative Humidity between 16 to 20 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™