California Severe Extreme Heat Watch | Effective 08/22/2026 13:10

Headline: 
Extreme Heat Watch issued August 22 at 1:10PM PDT until August 28 at 8:00PM PDT by NWS San Diego CA
Event: 
Extreme Heat Watch
Urgency: 
Future
Effective: 
August 22, 2026 - 1:10pm
Expires: 
August 22, 2026 - 10:00pm
Description: 
* WHAT...Dangerously hot conditions with high temperatures reaching the upper 80s to low 90s with limited overnight cooling. * WHERE...Orange County Coastal Areas and San Diego County Coastal Areas. * WHEN...From Tuesday morning through Friday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...The combination of hot daytime temperatures with overnight temperatures struggling to drop below the lower 70s will especially affect those without access to air conditioning.
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 Diego County Coastal Areas; Orange County Coastal
Forcast Office: 
NWS San Diego CA
Sender: 
w-nws.webmaster@noaa.gov