Event Brief
UPDATED Aug 28, 2026 at 11:00 AM ET
Aug 26, 2026 at 11:00 AM ET
Southern California heat wave timeline: extreme heat
By The BriefBrief
A prolonged heat wave is driving dangerously high temperatures across Southern California, with extreme heat warnings in effect for much of the region through 8 p.m. Friday, according to the National Weather Service. Inland areas, valleys, and mountain ranges are expected to run 10 to 15 degrees above average, reaching up to 112 degrees, alongside an elevated wildfire risk.
WHO: National Weather Service
WHAT: Extreme heat warnings and a heat-wave timeline for Southern California, with temperatures up to 112 degrees and increased wildfire risk.
WHEN: Aug 28, 2026
WHERE: Southern California
WHY: The heat wave is producing dangerously high temperatures that also increase the risk of wildfires.
Reporting from 1 identified publisher for this event.
View all 1 publishers
Publishers represented across this event arc
- FOX 11 Los Angeles —
2 articles
These publishers contributed reporting to the broader event history. Not every source addresses the specific development described above.
How this brief is built: The BriefBrief correlates multiple sources into one evolving event brief, updated as new facts emerge.
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