Hot, dry Santa Ana winds arrive in San Diego, Orange counties

The first Santa Ana wind event of the fall will blow through Southern California Sunday through Wednesday, producing strong winds in Orange County and San Diego’s Camp Pendleton, while also driving up temperatures across the region.

The National Weather Service says the Santa Anas will blow 10-15 mph early Sunday at Camp Pendleton, the frequent site of wildfires. The offshore winds will pick up later in the day, hitting 10-20 mph, and stronger gusts are expected early Monday.

Similar conditions are expected in Orange County, whose mountains and foothills more directly channel the winds into heavily populated areas.

The relative humidity on Sunday and Monday will fall to 10-20 percent in North County, and daytime highs at Camp Pendleton will be 75-80 degrees. Temperatures will top out at 80-85 on Monday and a smidge higher on Tuesday.

San Diego County valleys will reach 85 to 90 on Monday, 86 to 91 on Tuesday, and 88 to 94 on Wednesday. The coast will be in the 73-74 degree range, and areas near the beach will surpass 80.

Twitter: @grobbins

gary.robbins@sduniontribune.com

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