An Excessive Heat Warning continues through Monday for the Sacramento and San Joaquin Valleys, surrounding foothills, Delta and parts of the San Francisco Bay Area seen below shaded in pink.
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Here's a look at what areas will see some of the hottest afternoon highs and the warmest overnight lows.
The foothills will have highs from 100-113°. Ione, in the lower foothills, will be one of the hottest places with the forecast high of 113°. Overnight lows will stay warm, close to 80°. Sierra highs will reach the 90s with better overnight recovery in the 50s.
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Bay Area afternoon highs are coolest near the coast but still unseasonably warm.
At the coast, highs will warm to the 70s but just a few miles inland highs warm to the 80s and near 90°. Closer to the valley, highs reach the 100s. The high in Antioch is expected to reach 109° Saturday afternoon.
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The Northern San Joaquin Valley will see afternoon highs of at least 110°. One of the hottest places will be Tracy with a forecast high of 113°. Overnight lows will be close to 70°.
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The Northern end of the Sacramento Valley will see some of the hottest temperatures. Colusa is forecasted to hit 115° on Saturday. Overnight lows in these areas are expected to be in the 60s and 70s.
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New or tied records are possible Saturday and Sunday.
Remember to stay well-hydrated and limit time outside during the peak heat of the day, 4-7 p.m. More seasonal highs are expected for the middle of next week.