California Severe Extreme Heat Warning | Effective 06/24/2026 03:37

Headline: 
Extreme Heat Warning issued June 24 at 3:37AM PDT until June 25 at 8:00PM PDT by NWS San Diego CA
Event: 
Extreme Heat Warning
Urgency: 
Expected
Effective: 
June 24, 2026 - 3:37am
Expires: 
June 24, 2026 - 3:30pm
Description: 
* WHAT...Dangerously hot conditions with temperatures up to 112 expected. * WHERE...San Diego County Deserts. * WHEN...From 11 AM this morning to 8 PM PDT Thursday. * 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. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
Area Description: 
San Diego County Deserts
Forcast Office: 
NWS San Diego CA