NWS San Diego CAXH.W 0008August 24, 2026
Extreme Heat Warning: Apple and Lucerne Valleys, CA
The National Weather Service office in San Diego issued an extreme heat warning for Apple and Lucerne Valleys in California, which was in force until 8:00 p.m. local time on August 28. It was the 8th extreme heat warning the NWS office in San Diego issued in 2026. California had 7 extreme heat warnings in August 2026, against 8 in an average August of 2008-2025 (California's extreme heat warnings by year).
ExpiredWarning
In force for 3 days; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, San Diego CA
- Area
- Apple and Lucerne Valleys
- State
- California
- Level
- Warning
- Issued
- 1:58 a.m. PDT, August 24, 2026
- In force from
- 10:00 a.m. PDT, August 25, 2026
- Expires
- 8:00 p.m. PDT, August 28, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Expected
- VTEC event
- KSGX XH.W 0008
- Official source
- National Weather Service: the notice at its source
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
* WHAT...Dangerously hot conditions with high temperatures in the upper 90s to 108 expected. * WHERE...Apple and Lucerne Valleys. * WHEN...From 10 AM Tuesday to 8 PM PDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.
What the agency told people to do
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.