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WHAT: Hot daytime conditions with high temperatures between 97 and 107 common. Warm overnight conditions will bring less relief than usual
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WHERE: Valleys and mountains of Los Angeles, Ventura, Santa Barbara, and San Luis Obispo Counties.
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WHEN: Until 8 PM PDT Monday, peaking Thursday through Sunday.
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IMPACTS: 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.
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ADDITIONAL DETAILS: While today (Wednesday) will not be as hot as previously expected, a sharp warm up is still on track for Thursday.
* WHAT...Hot daytime conditions with high temperatures between 97 and 107 common. Warm overnight conditions will bring less relief than usual * WHERE...Valleys and mountains of Los Angeles, Ventura, Santa Barbara, and San Luis Obispo Counties. * WHEN...Until 8 PM PDT Monday, peaking Thursday through Sunday. * IMPACTS...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. * ADDITIONAL DETAILS...While today (Wednesday) will not be as hot as previously expected, a sharp warm up is still on track for Thursday.
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. Limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Ozone is forecast to reach 140 AQI - Unhealthy for Sensitive Groups on Thu 07/23/2026.
Active children and adults, and people with lung disease, such as asthma, should reduce prolonged or heavy exertion outdoors
Severe weather warnings are provided to meteoblue by more than 80 official agencies worldwide. meteoblue does not bear any responsibility regarding the actual content or nature of the warnings. Issues can be reported through our Feedback form and will be transmitted to the appropriate instances.
