California Moderate Heat Advisory | Effective 09/08/2026 07:01

Headline: 
Heat Advisory issued September 8 at 7:01AM PDT until September 10 at 8:00PM PDT by NWS San Diego CA
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
September 8, 2026 - 7:01am
Expires: 
September 8, 2026 - 3:15pm
Description: 
* WHAT...High temperatures in the upper 80s and low 90s expected and overnight lows in the 70s. * WHERE...Santa Ana Mountains and Foothills. * WHEN...For the Extreme Heat Warning, until 8 PM PDT Wednesday. For the Heat Advisory, from 8 PM Wednesday to 8 PM PDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Areas of Major HeatRisk. Very warm overnight temperatures will limit relief from the heat.
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: 
Santa Ana Mountains and Foothills
Forcast Office: 
NWS San Diego CA
Sender: 
w-nws.webmaster@noaa.gov