A map by the National Weather Service showing forecasted temperatures throughout Southern California and areas under an extreme heat warning on May 11, 2026.
A map by the National Weather Service showing forecasted temperatures throughout Southern California and areas under an extreme heat warning on May 11, 2026.
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Extreme heat persists in Central, Southern California amid fire concerns

Californians began experiencing high temperatures, heat advisories, and even extreme heat warnings over Mother’s Day weekend, but how long will these conditions last?

Heat advisories and extreme heat warnings were issued for parts of Central and Southern California starting May 10, as high temperatures were reported across the state, according to the National Weather Service.

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The San Joaquin Valley, parts of the Inland Empire and the Chico Area are under heat advisories as temperatures are expected to reach the upper-90s on May 11 and 12.

Desert areas in Southern California, such as Palm Springs, Borrego Springs and Ocotillo Wells, were placed under an extreme heat warning starting May 10 and is expected to last until late May 11.

How long will the heat last, and which areas of the state are the hottest?

How hot is it in California?

The National Weather Service has forecast that some parts of Central California may experience record-breaking heat, while some parts of SoCal may reach temperatures in the 100s.

Fresno has an 82% probability of tying or beating its record for May 11th of 100 degrees and 49% chance of beating its May 12 record of 102 degrees. Merced has a 60% chance of beating its daily high of 99 degrees.

Temperatures in some of the surrounding areas, such as Bakersfield Madera and Hanford have a lower probability of daily record highs but will likely reach temperatures in the upper 90s.

Monday and Tuesday may see the highest temperatures with Chico expected, Modesto, Redding and Stockton reaching the upper-90s. Temperatures will likely drop slightly throughout the week to the low-90s and upper-80s.

Areas in and around the Inland Empire, such as San Bernardino, Victorville and Palm Springs, are forecast to reach their peak upper-90s to 100s on Monday and Tuesday, with temperatures beginning to cool throughout the week.

The weather agency has also warned of a moderate fire risk in the Kern County Desert and the Mojave Slope.

How to stay safe during the heat

The National Weather Service has provided tips to prepare for the heat, stay cool, and help out when heatstroke occurs.

How to prepare for a heatwave:

What to do in a heatwave:

Someone suffering from heatstroke may seem confused, experience dizziness, and may fall unconscious. When treating someone for heatstroke, make sure to call 911, move the victim to a cooler area, remove any extra layers, loosen clothing, and cool them down with water or an ice pack, the weather service said.

Ernesto Centeno Araujo covers breaking news for the Ventura County Star. He can be reached at ecentenoaraujo@vcstar.com, 805-437-0224 or @ecentenoaraujo on Instagram and X.

This article originally appeared on Ventura County Star: Extreme heat persists in Central, Southern California amid fire concerns

Reporting by Ernesto Centeno Araujo, Ventura County Star / Ventura County Star

USA TODAY Network via Reuters Connect

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