EXTREME HEAT WARNING
EXTREME HEAT WARNING ISSUED AUGUST 25 AT 12:19PM PDT UNTIL AUGUST 28 AT 8:00PM PDT
Effective: 2026-08-25 12:19:00
Expires: 2026-08-28 20:00:00
Issued by: NWS San Diego CA
Alert Text
* WHAT...DANGEROUSLY HOT CONDITIONS WITH HIGH TEMPERATURES UP TO 110EXPECTED. OVERNIGHT LOW TEMPERATURES WILL BE MOSTLY IN THE 70S.
* WHERE...SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE.
* WHEN...UNTIL 8 PM PDT FRIDAY.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING EXTREME HEAT EVENTS. HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES.
* ADDITIONAL DETAILS...LOW TEMPERATURES 5 TO 10 DEGREES ABOVE NORMAL WILL LIMIT OVERNIGHT RELIEF FROM THE HEAT. INCREASING TEMPERATURES THROUGH FRIDAY WILL INCREASE THE THREAT OF HEAT-RELATED ILLNESS ACROSS POPULATIONS.
More Information
Target Area
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE
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