Heat Advisory

Locations Affected

Santa Clarita, CA ∙ Pasadena, CA ∙ Thousand Oaks, CA ∙ Glendale, CA ∙ Pomona, CA ∙ El Monte, CA ∙ West Covina, CA ∙ Simi Valley, CA ∙ Whittier, CA ∙ Alhambra, CA

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Los Angeles/Oxnard CA 402 AM PDT Fri May 9 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 9 PM PDT SATURDAY... * WHAT...Daytime temperatures up to 100 degrees expected with overnight low temperatures offering little relief from the heat. * WHERE...The Los Angeles and Ventura County Valleys, Santa Monica Mountains, and the southern Salinas Valley. * WHEN...From 10 AM this morning to 9 PM PDT Saturday. * 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. 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 location. Heat stroke is an emergency! Call 9 1 1.

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