Heat advisory for Southern California until Thursday evening

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On Wednesday at 10:37 a.m. the NWS Los Angeles/Oxnard CA released a heat advisory in effect until Thursday at 8 p.m. The advisory is for Catalina and Santa Barbara Islands, San Luis Obispo County Inland Central Coast, Santa Lucia Mountains, Southern Salinas Valley, San Luis Obispo County Interior Valleys, San Luis Obispo County Mountains, Santa Barbara County Inland Central Coast, Santa Ynez Valley, Ventura County Beaches, Ventura County Inland Coast, Malibu Coast, Los Angeles, Palos Verdes Hills, Southern Ventura County Mountains, Northern Ventura County Mountains, San Miguel and Santa Rosa Islands and Santa Cruz and Anacapa Islands.

The NWS informs, "Temperatures up to 104 degrees."

"There is a high risk for heat illness for sensitive populations including the very young, the very old, those without air conditioning, and those active outdoors," describes the NWS.

This advisory is in effect until Thursday at 8 p.m.

Tips from the NWS for staying safe during a heat wave

• Stay hydrated: Keep yourself well-hydrated by drinking plenty of fluids.
• Seek shelter: Stay indoors in an air-conditioned room to keep cool.
• Avoid direct sun exposure: Protect yourself and check on vulnerable relatives and neighbors.
• Child and pet welfare: Never forget to safeguard young children and pets by not leaving them unattended in vehicles, especially during scorching weather when car interiors can become life-threateningly hot.
• Be mindful outdoors: Take extra precautions when working or spending time outside.
• Select the ideal time: If possible, move strenuous activities to early morning or evening for more favorable conditions.
• Familiarize yourself with warning signs: Know the symptoms of heat exhaustion and heat stroke.
• Dress for comfort: Wear lightweight and loose-fitting clothing to stay cool.

To reduce risk during outdoor work, the Occupational Safety and Health Administration (OSHA) recommends scheduling frequent rest breaks in shaded or air-conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. In an emergency, call 911.

Source: The National Weather Service

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This story was originally published July 15, 2026 at 10:41 AM.