Active Weather Alerts
Extreme Heat Watch
Issued: 3:08 AM Jun. 20, 2026 – National Weather Service
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH THURSDAY EVENING... * WHAT...Dangerously hot conditions with temperatures up to 100 possible. Hottest Wednesday and Thursday. * WHERE...San Fernando Valley, San Gabriel Mountains, San Gabriel Valley, Santa Clarita Valley. * WHEN...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. 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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