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Extreme Heat Warning in Central Valley: Triple-Digit Temps Before Cooldown Arrives
By CAL WIRE Weather Desk — Tuesday, August 11, 2026
By CAL WIRE Weather Desk  |  PUBLISHED: Tuesday, August 11, 2026
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Central Valley, California
Central Valley, CaliforniaPhoto: forbes.com

Central Valley residents are in for a brutal stretch before things get better. An extreme heat warning is in effect for parts of the region, with triple-digit temperatures already bearing down and fire weather conditions making the situation more dangerous, according to early reports.

Related: Extreme Heat Warning California: Heat Dome Expanding West With Triple-Digit Temps Expected · CALIFORNIA LIMITS UTILITY SHUTOFFS AS STATE BRACES FOR RETURN OF TRIPLE-DIGIT HEAT

The Sacramento Bee flagged the warning specifically for Central Valley, while the Los Angeles Times reports a broader SoCal heat wave bringing scorching temps, fire weather threats, and even coastal flooding to Southern California. It's a wide-ranging weather event hitting much of the state hard right now.

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Extreme Heat Warning California: Heat Dome Expanding West With Triple-Digit Temps Expected Extreme Heat Warning California: Heat Dome Expanding West With Triple-Digit Temps Expected CALIFORNIA LIMITS UTILITY SHUTOFFS AS STATE BRACES FOR RETURN OF TRIPLE-DIGIT HEAT CALIFORNIA LIMITS UTILITY SHUTOFFS AS STATE BRACES FOR RETURN OF TRIPLE-DIGIT HEAT VEGETATION FIRE IN LOS ANGELES VALLEY VEGETATION FIRE IN LOS ANGELES VALLEY

The good news — and there is some — is that a significant cooldown is on the way. KCRA is reporting a hot Sunday for NorCal but says cooler weather is coming. How soon that relief reaches the Valley, and how dramatic the drop will be, hasn't been fully detailed yet in early reports.

What Central Valley Residents Should Know

Photo: Basil D Soufi / BY-SA 3.0

Triple-digit heat is serious. Stay hydrated, avoid being outside during peak afternoon hours, and check on neighbors, kids, and pets. Fire weather conditions mean dry air and potentially gusty winds — any spark can spread fast. Local emergency and fire agencies are likely on elevated alert, though specific activations haven't been confirmed in early reports.

See also: VEGETATION FIRE IN LOS ANGELES VALLEY · VEGETATION FIRE REPORTED IN LOS ANGELES VALLEY AREA

The Cooldown Is Coming — But Timing Matters

Forecasters are signaling relief is ahead, but you'll want to track your local forecast closely since the exact timing and temperature drops can vary a lot across the Valley. The pattern is expected to shift, but conditions right now remain dangerous.

This Story Is Developing

Details are still coming in and forecasts may be updated as the day progresses. Check back for the latest. In the meantime, take the heat warning seriously — Central Valley summers don't mess around, and this one is already proving that out.

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Filed Under: Weather Extreme Heat Warning Central