NWS San Diego CAXH.W 0010October 2, 2026
Extreme Heat Warning: Santa Ana Mountains and Foothills, CA
The National Weather Service office in San Diego issued an extreme heat warning for Santa Ana Mountains and Foothills in California, in force until 8:00 p.m. local time on October 8. It was the 10th extreme heat warning the NWS office in San Diego issued in 2026. California had 3 extreme heat warnings in October 2026, against 0 in an average October of 2008-2025 (California's extreme heat warnings by year).
Warning
In force for 6 days
The notice
- Issued by
- National Weather Service, San Diego CA
- Area
- Santa Ana Mountains and Foothills
- State
- California
- Level
- Warning
- Issued
- 12:32 a.m. PDT, October 2, 2026
- In force from
- 10:00 a.m. PDT, October 2, 2026
- Expires
- 8:00 p.m. PDT, October 8, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Expected
- VTEC event
- KSGX XH.W 0010
- Official source
- National Weather Service: the notice at its source
Extreme Heat Warnings in California since 2008Every warning type in California
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...For the Extreme Heat Warning, dangerously hot conditions with temperatures up to 98 expected. For the Wind Advisory, east winds 15 to 25 mph with gusts to 40 mph expected. * WHERE...Santa Ana Mountains and Foothills. * WHEN...For the Extreme Heat Warning, from 10 AM this morning to 8 PM PDT Thursday. For the Wind Advisory, from 6 AM to 6 PM PDT Saturday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
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.
The record around this notice
- Extreme Heat Warnings in California since 200828 a year
- Every warning type in California
- Extreme Heat Warning: what it means, and the states that get the most153 a year
- NWS notices, October 20262,096 in the month
- The latest from the National Weather Service
- Warning, watch or advisory: the three NWS levels