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An updated heat advisory was released by the NWS Los Angeles/Oxnard CA on Monday at 3:04 a.m. in effect until 8 p.m. The advisory is for Cuyama Valley, Santa Clarita Valley, Santa Lucia Mountains, Southern Salinas Valley, San Luis Obispo County Interior Valleys, San Luis Obispo County Mountains, Santa Ynez Valley, Santa Ynez Mountains Eastern Range, Santa Barbara County Interior Mountains, Lake Casitas, Ojai Valley, Central Ventura County Valleys, Western Santa Monica Mountains Recreational area, Eastern Santa Monica Mountains Recreational area, Calabasas and Agoura Hills, Western San Fernando Valley, Eastern San Fernando Valley, Southeastern Ventura County Valleys, Santa Susana Mountains, Southern Ventura County Mountains, Northern Ventura County Mountains, Interstate 5 Corridor, Western San Gabriel Mountains and Highway 14 Corridor, Eastern San Gabriel Mountains, Western Antelope Valley Foothills, Eastern Antelope Valley Foothills and Los Angeles.
The NWS informs, “Hot daytime conditions with high temperatures between 97 and 107 common. Warm overnight conditions will bring less relief than usual.”
“There is a high risk for dangerous heat illness, especially for sensitive groups like the very young, the very old, those without air conditioning, and those active outdoors,” explains the NWS.
This advisory is in effect until 8 p.m.
NWS Heat Wave Safety Tips: Stay safe with these recommendations Stay hydrated: Drink plenty of fluids.Seek cool shelter: Opt for an air-conditioned room to stay comfortable.Check on others: Stay out of the sun, and make sure to check up on relatives and neighbors.Ensure child and pet safety: Do not leave young children and pets unattended in vehicles when car interiors can reach lethal temperatures in a matter of minutes.Exercise caution outdoors: If you work or spend time outside, take additional safety measures.Consider the timing: When possible reschedule strenuous activities to early morning or evening.Recognize warning signs: Familiarize yourself with symptoms of heat exhaustion and heat stroke.Dress comfortably: Wear lightweight and loose-fitting clothing.
For a safer outdoor work environment, follow the Occupational Safety and Health Administration (OSHA)’s guidance by scheduling regular rest breaks in shaded or air-conditioned places. If anyone shows signs of heat illness, promptly move them to a cool, shaded area. In an emergency, call 911.
Source: The National Weather Service
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This story was originally published July 26, 2026 at 11:30 AM.