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FORECAST: Prepare for a rainy, muggy Labor Day weekend

Scattered to numerous thunderstorms are expected today, with heat index values potentially reaching 107°F and a wet pattern continuing through the holiday weekend
WPTV First Alert Weather forecast for Night of Thursday, Sept. 3, 2026
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WEST PALM BEACH, Fla. — Tonight will remain warm and muggy, with additional showers or thunderstorms possible. Lows will generally stay in the upper 70s to around 80 degrees.

WPTV First Alert Forecast for Evening of Thursday, Sept. 3 , 2026

The wet pattern is expected to continue through the holiday weekend. Friday through Labor Day looks quite stormy, with repeated downpours possible. Rainfall could be locally heavy, so flooding of poorly drained roads will remain a concern.

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**Portions of this story were assisted by artificial intelligence tools and reviewed by a WPTV journalist to ensure accuracy, clarity, and adherence to editorial standards.