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A heat wave is expected to hit the Los Angeles area over Labor Day weekend

Temperatures are expected to hit triple digits in parts of Southern California this week as a heat wave envelops the region — just in time for Labor Day weekend.

Temperatures are expected to be oppressive 10 to 15 degrees above average from Wednesday through September 5, according to Mike Wofford, a National Weather Service meteorologist in Oxnard.

Mercury is expected to reach the mid-90s in downtown Los Angeles and hover between 100 and 110 degrees in the San Fernando and Antelope Valleys during this time. At the same time, humidity levels should drop significantly, increasing the risk of fire.

“It’s our hottest time of the year,” Wofford said. “When we have big heat waves, that’s very usually when we would see them.”

Sunday was a cooler than normal August day in Southland, with temperatures in the mid to high 70s. But the brief respite from the heat will likely be interrupted by a strong high pressure system moving into the southwest early from this week.

“We also have a much weaker onshore flow,” Wofford said, “which normally brings us a cool sea breeze.”

Los Angeles Times

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