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Extreme Heat Warning

Status

Event Continued Active alert

Start Time

Fri 10/02/2026 03:25 PM EDT

End Time

Thu 10/08/2026 11:00 PM EDT

Significance

Warning

Impacts

High impact

Locations Affected

San Bernardino, CA ∙ Anaheim, CA ∙ Irvine, CA ∙ Santa Ana, CA ∙ San Diego, CA ∙ Riverside, CA ∙ Chula Vista, CA ∙ Orange, CA ∙ Moreno Valley, CA ∙ Garden Grove, CA

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service San Diego CA 1225 PM PDT Fri Oct 2 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY... * WHAT...Dangerously hot conditions with high temperatures ranging from the mid 80s to around 90 near the coast to the mid 90s to around 100 near higher coastal terrain expected. Nights will be very warm with low temperatures mostly in the 70s. * WHERE...Orange County Coastal Areas. * WHEN...Until 8 PM PDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. 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. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.

Technical Header

CAZ552-030515- /O.CON.KSGX.XH.W.0010.000000T0000Z-261009T0300Z/ Orange County Coastal Areas- Including the cities of Costa Mesa and Huntington Beach 1225 PM PDT Fri Oct 2 2026