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Extreme Heat Warning Issued for Orange County Coastal Areas

An Extreme Heat Warning has been issued for Orange County Coastal Areas by the NWS San Diego, CA, effective until October 8 at 8:00 PM PDT, with dangerous temperatures and a high risk of heat-related illnesses.

Staff Writer
10/03/2026 · Anaheim edition

An Extreme Heat Warning has been issued for Orange County Coastal Areas by the National Weather Service (NWS) San Diego, CA. The warning is effective from today, October 3, at 4:01 AM PDT and will remain in effect until Thursday, October 8, at 8:00 PM PDT.

Dangerously hot conditions are expected, with high temperatures ranging from the mid-80s to around 90 degrees near the coast, and mid-90s to around 100 degrees near higher coastal terrain. Overnight lows will be very warm, mostly in the 70s. These conditions significantly increase the risk of heat-related illnesses.

Residents are advised to drink plenty of fluids, stay in air-conditioned rooms, and stay out of the sun. Please check on relatives and neighbors. It is crucial not to leave young children or pets in unattended vehicles, as car interiors can reach lethal temperatures rapidly.

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