California Moderate Heat Advisory | Effective 08/24/2026 14:08

Headline: 
Heat Advisory issued August 24 at 2:08PM PDT until August 28 at 8:00PM PDT by NWS San Diego CA
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
August 24, 2026 - 2:08pm
Expires: 
August 24, 2026 - 10:45pm
Description: 
* WHAT...Temperatures in the mid to upper 90s below 5000 ft MSL. * WHERE...San Bernardino County Mountains below 6000 ft. * 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 relief from the heat. Increasing temperatures into the middle of next week will increase the threat of heat-related illness across populations.
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 County Mountains
Forcast Office: 
NWS San Diego CA
Sender: 
w-nws.webmaster@noaa.gov