Event Brief
Humidity, slight shower chances linger Friday in SoCal
By The BriefBrief · Sources (1)
Filed: Aug 28, 2026 at 12:00 AM ET
Summary: Southern California is expected to see a gradual cooldown after extreme heat, but lingering moisture from the remnants of Tropical Storm Iselle could keep isolated showers and thunderstorms possible through Friday. An extreme heat warning remains in effect for much of the region until 8 p.m. Friday, with a red flag warning for foothill and mountain areas expiring 3 p.m.
WHO: Southern California residents; forecasters with local weather warnings
WHAT: Lingering humidity may bring isolated showers and thunderstorms Friday while extreme heat warnings continue.
WHEN: Aug 27, 2026 at 11:19 PM ET
WHERE: Southern California
WHY: Lingering moisture from the remnants of Tropical Storm Iselle is expected to remain in the area through Friday.
ℹ️ This event is analyzed using pattern arcs, velocity indicators, and source analysis in our MI Console.
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