FILE - A cyclist rides past electricity pylons at a park during a heat wave on September 5, 2022 in San Mateo County. 

Another tumultuous week of weather is in store for the Bay Area as the region shifts from above-normal heat to chances of dry lightning.

Starting Monday, an area of high pressure is forecast to bring temperatures as much as five to 15 degrees above average for this time of year, Roger Gass, a meteorologist for the National Weather Service’s Bay Area office, told SFGATE. Daytime highs are expected to approach the upper 70s and lower 80s across most of the Bay Area, and into the mid-to-upper 90s in interior portions of the region, such as Livermore, Concord and Santa Rosa. Some places, like Lake Berryessa, Pinnacles National Park and Byron in Contra Costa County, could climb into triple digits.

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Though hotter temperatures are........

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