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Event Brief

Heat advisories return: LA County to see 105°F

Heat advisory Tuesday 10 a.m. to Thursday 8 p.m. Temperatures may reach 105°F across parts of LA County valleys and mountains.
WHO: National Weather Service
WHAT: Heat advisory issued for Southern California with temperatures up to 105°F
WHEN: Aug 17, 2026 at 12:28 PM ET
WHERE: Los Angeles County (San Fernando, San Gabriel, Santa Clarita valleys and local mountains)
WHY: A ridge of high pressure is dominating the region, driving a summer heat wave.
How this story developed (showing 2 of 2 earlier reports)

Reporting from 3 identified publishers across this event arc.

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Publishers represented across this event arc

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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