A fire danger warning in Southern California. Photo by Chris Jennewein.

Dry, gusty Santa Ana winds starting Tuesday night and continuing through Wednesday morning will create fire weather conditions in much of San Diego County.

The National Weather Service office in San Diego is forecasting gusts of 30-to-40 mph with warming temperatures and very low relative humidity.

Winds will be highest in the foothills and mountains, but gusts will also be felt in Escondido and Poway.

“Very low relative humidity will cause elevated fire weather conditions,” the weather service said, predicting readings under 20% in many inland areas.

High temperatures on Wednesday are forecast to be 72 to 77 near the coast, 76 to 81 inland, 81 to 86 in the valleys, 70 to 78 in the mountains and 86 to 91 in the deserts.

The warming trend will continue through early next week, with temperatures peaking slightly above normal for early October.

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Chris Jennewein

Chris Jennewein is Editor & Publisher of Times of San Diego.