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10h ago

California Braces for Peak of Early-Season Heat Wave

Triple-digit temperatures and fire weather warnings persist as officials urge precautions for vulnerable populations and pets.

Thor Teigen poses in a fur jacket next to a thermometer displaying a temperature of 131 degrees Fahrenheit / 55 degrees Celsius at the Furnace Creek Visitors Center, in Death Valley National Park, Calif., Sunday, July 7, 2024.
A stock image of a panting dog.
People push a baby stroller and jog in the heat Monday, May 19, 2025, at Lake Balboa in the Sepulveda Basin as a warm-up in temperatures continues in Southern California. In the background, people pedal swan boats on the artificial lake, which is filled with reclaimed water. (Photo by Gene Blevins, Contributing Photographer)

Overview

  • A heat advisory remains in effect across Southern California through Thursday evening, with temperatures expected to peak mid-week.
  • Valley regions are forecast to reach 95–103°F, while the Coachella Valley could see highs of 106°F, 15–20 degrees above seasonal norms.
  • The National Weather Service has issued red flag warnings for parts of the Sacramento and San Joaquin valleys due to dry, windy conditions increasing wildfire risks.
  • Officials emphasize the elevated risk of heat-related illnesses for sensitive groups, urging hydration, light clothing, and limited outdoor activities during peak hours.
  • Pet owners are reminded to avoid leaving animals in vehicles and to protect them from hot surfaces and overheating symptoms.