Severe · Extreme Heat WarningActive alert

Extreme Heat Warning issued September 9 at 8:09AM PDT until September 10

Affecting Catalina and Santa Barbara Islands

In effect until: Sep 11, 2026, 3:00 AM

Catalina and Santa Barbara Islands

Likely impact; effects through 3:00 AM.

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

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* WHAT...Dangerously hot conditions with temperatures up to 103.

* WHERE...Catalina and Santa Barbara Islands.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.

* ADDITIONAL DETAILS...Humid conditions will add to heat discomfort.
Heat peaking today for most areas.

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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™

Extreme Heat Warning issued September 9 at 8:09AM PDT until September 10

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