California Moderate Heat Advisory | Effective 09/09/2026 02:58

Headline: 
Heat Advisory issued September 9 at 2:58AM PDT until September 10 at 8:00PM PDT by NWS San Diego CA
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
September 9, 2026 - 2:58am
Expires: 
September 9, 2026 - 3:30pm
Description: 
* WHAT...For the Extreme Heat Warning, dangerously hot conditions with high temperatures of 100 to 106 with low temperatures in the 70s expected. For the Heat Advisory, high temperatures in the 90s expected. * WHERE...Orange County Inland Areas. * WHEN...For the Extreme Heat Warning, until 8 PM PDT this evening. For the Heat Advisory, from 8 PM this evening to 8 PM PDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Major HeatRisk. 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: 
Orange County Inland
Forcast Office: 
NWS San Diego CA
Sender: 
w-nws.webmaster@noaa.gov