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FORECAST: Rain chances return Tuesday as heat continues across the Palm Beaches and Treasure Coast

After a drier Monday, a weak front will bring increasing afternoon thunderstorms through the rest of the week while dangerous heat continues.
WPTV First Alert Weather Forecast for Night of Tuesday, June 30, 2026
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WEST PALM BEACH, Fla. — We're finishing the day much quieter than the past several afternoons.

The Saharan Air Layer and unusually dry air have kept storm development to a minimum today. Any isolated inland showers will quickly fade this evening, leaving partly cloudy skies overnight.

Lows fall into the upper 70s with another warm and humid night ahead.

WPTV First Alert Weather forecast for Evening of Monday, June 29, 2026

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Tuesday begins a transition back toward a more typical summertime pattern.

A weak front dropping into Central Florida will help pull deeper moisture back into our area.

That means we will see more afternoon showers and thunderstorms. Best chances are from western Palm Beach County through Okeechobee and across Martin, St. Lucie and Indian River counties.

Coastal communities including West Palm Beach, Jupiter, Stuart, Fort Pierce and Vero Beach will still have lower rain chances during the morning before storms develop inland during the afternoon.

Highs remain near 90 to 93 degrees with heat index values between 100 and 107 degrees.

A weak boundary stalls near Central Florida while tropical moisture continues increasing.

That means Wednesday through Friday we'll see slow-moving afternoon thunderstorms, which could lead to heavy rainfall and cause some areas to experience localized flooding.

Storm chances fall around 40-50% near the coast and up to 60-80% inland.