LOS ANGELES | An active Extreme Heat Warning is in effect for Los Angeles and Los Angeles County. CGN News is publishing this alert because official National Weather Service alert data includes one or more CGN coverage areas: Los Angeles County, California.
What is active now
The primary active alert is Extreme Heat Warning with NWS severity listed as Severe, urgency listed as Expected and certainty listed as Likely.
The alert became effective 16 July 2026 at 3:12 AM EDT. The current listed expiration or ending time is 16 July 2026 at 11:00 PM EDT. Readers should rely on the latest county-specific National Weather Service alert before making safety decisions.
Current official alerts
Extreme Heat Warning: NWS lists the affected area as Cuyama Valley; Santa Clarita Valley; Lake Casitas; Ojai Valley; Central Ventura County Valleys; Los Angeles County Inland Coast including Downtown Los Angeles; Western Santa Monica Mountains Recreational Area; Eastern Santa Monica Mountains…. Current listed expiration or ending time: 16 July 2026 at 11:00 PM EDT.
Red Flag Warning: NWS lists the affected area as Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Santa Ynez Mountains Western Range; Santa Ynez Mountains Eastern Range; Santa Barbara County Interior Mountains; Southern Ventura County Mountains; Northern Ventura…. Current listed expiration or ending time: 16 July 2026 at 12:00 PM EDT.
Heat Advisory: NWS lists the affected area as 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;…. Current listed expiration or ending time: 16 July 2026 at 11:00 PM EDT.
Coverage area
This CGN alert covers Los Angeles County, California. Nearby communities may experience different conditions, and warnings can change quickly.
Safety
Limit strenuous outdoor activity, drink water, check on older adults and people without reliable cooling, and never leave children or pets in vehicles. Outdoor workers should use shade, rest breaks and hydration plans.
Official instruction
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded…
This alert should be updated if the National Weather Service issues, cancels, extends or replaces the active alert. Do not rely on this article alone for emergency decisions. Keep wireless emergency alerts enabled and monitor official NWS, NOAA, local emergency management and trusted local broadcast sources.
Additional Reporting By: National Weather Service; NOAA; National Weather Service Los Angeles/Oxnard