Headline:
Heat Advisory issued August 21 at 12:23PM PDT until August 24 at 8:00PM PDT by NWS San Diego CA
Event:
Heat Advisory
Urgency:
Expected
Effective:
August 21, 2026 - 12:23pm
Expires:
August 21, 2026 - 10:00pm
Description:
* WHAT...Temperatures 90 to 97 for Inland Orange County, 90 to 102
for inland San Diego County, 98 to 106 for the Inland Empire and
89 to 99 in the mountains.
* WHERE...Orange County Inland Areas, Riverside County Mountains,
San Bernardino and Riverside County Valleys-The Inland Empire, San
Diego County Mountains, San Diego County Valleys, and Santa Ana
Mountains and Foothills.
* WHEN...From 10 AM Saturday to 8 PM PDT Monday.
* IMPACTS...Hot temperatures may cause heat illnesses.
Instruction:
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Area Description:
San Bernardino and Riverside County Valleys-The Inland Empire; San Diego County Inland Valleys; Riverside County Mountains; Santa Ana Mountains and Foothills; San Diego County Mountains; Orange County Inland
Forcast Office:
NWS San Diego CA
Sender:
w-nws.webmaster@noaa.gov