Event Brief
Extreme heat returns to Southern California this week
By The BriefBrief · Sources (3)
Filed: Aug 18, 2026 at 1:00 AM ET
Summary: Heat advisory Tuesday–Thursday with highs 92–105 across much of Southern California, including parts of the Southland.
WHO: National Weather Service
WHAT: Heat advisory and forecasted extreme temperatures
WHEN: Aug 17, 2026 at 1:37 PM ET
WHERE: Southern California
WHY: Temperatures are expected to rise again as another heat wave moves into the region.
ℹ️ This event is analyzed using pattern arcs, velocity indicators, and source analysis in our MI Console.
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