Heat advisory affecting Southern California until Tuesday morning, says the NWS

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The NWS Los Angeles/Oxnard CA released a heat advisory at 3:18 a.m. on Monday in effect until Tuesday at 10 a.m. The advisory is for Cuyama Valley, Southern Salinas Valley, San Luis Obispo County Interior Valleys, San Luis Obispo County Mountains, Santa Barbara County Interior Mountains, Southern Ventura County Mountains, Interstate 5 Corridor, Western San Gabriel Mountains and Highway 14 Corridor and Eastern San Gabriel Mountains.

"Temperatures of 85 to 98 degrees," can be expected according to the NWS. "Monsoonal moisture will increase the potential for heat impacts."

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

This advisory is in effect until Tuesday at 10 a.m.

Ways to stay safe in the heat according to the NWS

• Stay hydrated: Keep yourself well-hydrated by drinking plenty of fluids.
• Seek shelter: Stay indoors in an air-conditioned room to keep cool.
• Check on others: Stay out of the sun, and make sure to check up on 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.
• Take extra precautions outdoors: If you work or spend time outside, be sure to take additional safety measures.
• Find the right time: Consider rescheduling strenuous activities to early morning or evening if possible.
• Recognize warning signs: Know the signs and symptoms of heat exhaustion and heat stroke.
• Dress for comfort: Wear lightweight and loose-fitting clothing to stay cool.

To ensure safety during outdoor work, adhere to the Occupational Safety and Health Administration (OSHA)'s recommendations by incorporating regular rest breaks in shaded or air-conditioned environments. If someone is affected by heat, immediately transfer them to a cool and shaded area. In an emergency, call 911.

Source: The National Weather Service

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This story was originally published July 13, 2026 at 3:21 AM.