California Moderate Heat Advisory | Effective 08/28/2026 05:03

Headline: 
Heat Advisory issued August 28 at 5:03AM PDT until August 28 at 8:00PM PDT by NWS San Diego CA
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
August 28, 2026 - 5:03am
Expires: 
August 28, 2026 - 2:15pm
Description: 
* WHAT...Temperatures of 85 to 95. * WHERE...San Bernardino County Mountains below 6000 feet. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Low temperatures 10 to 15 degrees above normal will limit overnight relief from the heat and will increase the threat of heat-related illness.
Instruction: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. If you do not have air conditioning in your home or lack shelter, you can call 211 for assistance locating appropriate shelter from the heat.
Area Description: 
San Bernardino County Mountains
Forcast Office: 
NWS San Diego CA
Sender: 
w-nws.webmaster@noaa.gov