California Severe Extreme Heat Warning | Effective 10/08/2026 00:19

Headline: 
Extreme Heat Warning issued October 8 at 12:19AM PDT until October 8 at 8:00PM PDT by NWS San Diego CA
Event: 
Extreme Heat Warning
Urgency: 
Expected
Effective: 
October 8, 2026 - 12:19am
Expires: 
October 8, 2026 - 8:00pm
Description: 
* WHAT...High temperatures in the upper 80s to mid 90s near higher coastal terrain. * WHERE...Orange County Coastal Areas. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.
Instruction: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Area Description: 
Orange County Coastal
Forcast Office: 
NWS San Diego CA
Sender: 
w-nws.webmaster@noaa.gov