Heat advisory in place for Los Angeles County until Tuesday morning

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At 3:18 a.m. on Monday, the NWS Los Angeles/Oxnard CA released a heat advisory in effect until Tuesday at 10 a.m. The advisory is for Santa Clarita Valley, Los Angeles, Western San Fernando Valley, Eastern San Fernando Valley and Santa Susana Mountains.

"Temperatures of 85 to 95 degrees expected," explains 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," explains the NWS.

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

NWS Heat Wave Safety Advice: Protect yourself with these recommendations

• Stay hydrated: Keep yourself well-hydrated by drinking plenty of fluids.
• Find cool shelter: Stay in an air-conditioned room.
• Avoid direct sun exposure: Protect yourself and check on vulnerable relatives and neighbors.
• Prioritize child and pet safety: Be vigilant about never leaving young children and pets in vehicles without supervision, especially during periods of intense heat, as car interiors can quickly become extremely hot.
• Exercise caution outdoors: If you work or spend time outside, take additional safety measures.
• Find the right time: Consider rescheduling strenuous activities to early morning or evening if possible.
• Recognize warning signs: Familiarize yourself with 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 13, 2026 at 3:21 AM.