Severe · Extreme Heat WarningActive alert
Extreme Heat Warning issued October 3 at 9:40PM PDT until October 8
Affecting Orange County Coastal
In effect until: Oct 4, 2026, 1:15 PM
Orange County Coastal
Likely impact; effects through 1:15 PM.
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.
Read the original bulletin (official text)
* WHAT...Dangerously hot conditions with high temperatures ranging from the mid 80s to low 90s at the beaches to the mid 90s to around 100 for inland coastal areas expected. Nights will be very warm with low temperatures in the low to mid 70s. * WHERE...Orange County Coastal Areas. * WHEN...Until 8 PM PDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™