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Weather officials warn of potentially record-breaking heat across Southern California

By
Chelsea Hylton
Chelsea Hylton is a web producer for CBS Los Angeles. An Inglewood native, Hylton has her master's degree from USC. She covers local breaking news across the Southern California region. Before joining CBS in 2024, she worked at NBC LA, Telemundo 52, The Los Angeles Times and KOMO 4 News in Seattle.
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Chelsea Hylton

/ CBS LA

 heat is expected to scorch much of Southern California beginning on Thursday and lasting well into next week.

A high-pressure system will cause temperatures along the coast and valleys to go up 10 to 15 degrees above average. Maximum temperatures through Friday will be in the high 80s and mid-90s.

A National Weather Service will go into effect at 10 a.m. on Thursday and remain until 8 p.m. on Friday for much of LA and Ventura counties. are warning residents about the increased risk of heat illnesses, especially for sensitive populations, including elderly people, young children and people without air conditioning.

Due to the potentially dangerous heat wave, CBS LA has also issued a Next Weather Alert that will remain in effect until Friday. Meteorologist Amber Lee recommends drinking plenty of water, taking breaks when needed and avoiding outdoor activities during peak hours.

Forecast for Thursday:

  • LAX: 88
  • Woodland Hills: 95
  • Long Beach: 94
  • Fullerton: 96
  • Riverside: 93
  • Lake Elsinore: 92

There will be a slight decrease in the forecast by Saturday, but conditions will still be warm. Maximum temperatures will only drop by 5 to 10 degrees by the coast and in the valleys.

Heading into next week, weather officials say the heat will return. In preparation, CBS LA has issued a Next Weather Watch and will be monitoring the forecast closely. 

© 2026 CBS Broadcasting Inc. All Rights Reserved.

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