Severe · Extreme Heat WarningActive alert

Extreme Heat Warning issued September 10 at 12:32PM PDT until September 10

Affecting San Diego County Coastal Areas; Orange County Coastal

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

San Diego County Coastal Areas; Orange County Coastal

Likely impact; effects through 3:00 AM.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

See it on the live map View official source

Read the original bulletin (official text)

* WHAT...Dangerously hot conditions with high temperatures in the 80s
at the beaches to the mid to upper 90s along higher coastal terrain
expected.

* WHERE...Orange County Coastal Areas and San Diego County Coastal
Areas.

* WHEN...Until 8 PM PDT this evening.

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

Free. In your language.

Get the next alert for your area before it matters.

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

Extreme Heat Warning issued September 10 at 12:32PM PDT until September 10

Get the next alert for your area before it matters.

Get alerts in your language