Event Brief
Southern California braces for more triple-digit heat
By The BriefBrief · Sources (3)
Filed: Aug 22, 2026 at 8:00 PM ET
Summary: Some Southern California areas are expected to reach triple digits this weekend and into the week, with conditions potentially worsening next week. A heat advisory remains in effect through Monday for parts of Orange County, the Inland Empire, and the San Bernardino and Riverside County mountains, as the NWS cites hot days, warm nights, and monsoonal moisture.
WHO: National Weather Service (NWS); Shanna Mendiola (NBC4)
WHAT: Heat advisory and forecasts warn of another stretch of intense heat with triple-digit temperatures in inland areas.
WHEN: Aug 22, 2026 at 12:15 AM ET
WHERE: Orange County; Inland Empire; San Bernardino and Riverside County mountains (Southern California)
WHY: The NWS says hot daytime temperatures, warm overnight lows, and some monsoonal moisture at mid to upper levels will make conditions uncomfortably warm.
ℹ️ This event is analyzed using pattern arcs, velocity indicators, and source analysis in our MI Console.
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