Heat Advisory

Locations Affected

Los Angeles, CA ∙ Pomona, CA ∙ Glendale, CA ∙ Santa Clarita, CA ∙ Pasadena, CA ∙ Thousand Oaks, CA ∙ Simi Valley, CA ∙ Compton, CA ∙ El Monte, CA ∙ Downey, CA

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 1226 PM PDT Mon Jul 20 2026 ...HEAT ADVISORY IN EFFECT FROM 10 AM WEDNESDAY TO 8 PM PDT MONDAY... * WHAT...Temperatures up to 92 expected. * WHERE...Los Angeles County Inland Coast including Downtown Los Angeles. * WHEN...From 10 AM Wednesday to 8 PM PDT Monday. * IMPACTS...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.

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