NWS Los Angeles/Oxnard CAXH.W 0008October 4, 2026
Extreme Heat Warning: Catalina and Santa Barbara Islands, Santa Clarita Valley, Ventura County Beaches and 16 more, CA
The National Weather Service office in Los Angeles/Oxnard issued an extreme heat warning for Catalina and Santa Barbara Islands, Santa Clarita Valley, Ventura County Beaches and 16 more in California, in force until 8:00 p.m. local time on October 8. It was the 8th extreme heat warning the NWS office in Los Angeles/Oxnard 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 4 days
The notice
- Issued by
- National Weather Service, Los Angeles/Oxnard CA
- Area
- Catalina and Santa Barbara Islands, Santa Clarita Valley, Ventura County Beaches and 16 more
- State
- California
- Level
- Warning
- Issued
- 11:04 a.m. PDT, October 4, 2026
- Expires
- 8:00 p.m. PDT, October 8, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Expected
- VTEC event
- KLOX XH.W 0008
- 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...Dangerously hot conditions with temperatures reaching 90 to 100 at the coast and 106 in the valleys. * WHERE...Coast and valleys of Los Angeles and Ventura Counties. * WHEN...Until 8 PM PDT Thursday. * 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.
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 20262,004 in the month
- The latest from the National Weather Service
- Warning, watch or advisory: the three NWS levels