The National Weather Service has issued a red flag warning for the interior mountains of Napa and Sonoma counties beginning late Wednesday and continuing into Thursday.
The warning – in effect from 11 p.m. Wednesday until 5 p.m. Thursday – applies to ridge tops and terrain above 1,000 feet in inland parts of the two North Bay counties, according to the weather service.
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WATCH HERELow humidity and gusty winds in the forecast will lead to elevated fire weather conditions, the weather service said.
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