Extreme Heat Watch

Locations Affected

Los Angeles, CA ∙ Pasadena, CA ∙ Pomona, CA ∙ Glendale, CA ∙ Santa Clarita, CA ∙ Norwalk, CA ∙ Compton, CA ∙ West Covina, CA ∙ Downey, CA ∙ El Monte, CA

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 758 PM PDT Fri Jul 10 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM SUNDAY TO 10 AM PDT TUESDAY... ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH THURSDAY EVENING... ...HEAT ADVISORY WILL EXPIRE AT 8 PM PDT THIS EVENING... * WHAT...For the Heat Advisory starting Sunday, temperatures of 85 to 95 expected. For the Extreme Heat Watch, dangerously hot conditions with temperatures of 92 to 105 possible. * WHERE...Eastern San Fernando Valley, Los Angeles County Inland Coast including Downtown Los Angeles, Los Angeles County San Gabriel Valley, Santa Clarita Valley, Santa Susana Mountains, and Western San Fernando Valley. * WHEN...For the Heat Advisory, from 10 AM Sunday to 10 AM PDT Tuesday. For the Extreme Heat Watch, from Tuesday morning through Thursday evening. * 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. There is a high risk for heat illness for sensitive populations including the very young, the very old, those without air conditioning, and those active outdoors. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. Monitor the latest forecasts and warnings for updates.

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