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Severe · Extreme Heat WarningActive alert

Extreme Heat Warning issued October 4 at 11:32AM PDT until October 8

Affecting Orange County Inland

In effect until: Oct 5, 2026, 5:00 AM

Orange County Inland

Likely impact; effects through 5:00 AM.

Stay in air conditioning if possible. Drink water regularly and check on elderly neighbors.

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Read the original bulletin (official text)
* WHAT...Dangerously hot conditions with high temperatures in the mid
90s to 103 and warm nights with low temperatures in the 70s
expected.

* WHERE...Orange County Inland 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™