Heat Advisory California | Effective 03/19/2026 09:56

Headline: 
Heat Advisory issued March 19 at 9:56AM PDT until March 20 at 8:00PM PDT by NWS San Diego CA
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
March 19, 2026 - 9:56am
Expires: 
March 19, 2026 - 10:15pm
Description: 
* WHAT...High temperatures in the mid 90s to 100 degrees. * WHERE...San Diego County Valleys. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Overnight low temperatures in foothill locations will only fall into the lower 70s limiting 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Area Description: 
San Diego County Inland Valleys
Forcast Office: 
NWS San Diego CA