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FORECAST: How much longer will this heat wave last?

WPTV First Alert Weather Forecast for Evening of Monday, July 21, 2025
Heat index July 21, 2025
Posted
and last updated

WEST PALM BEACH, Fla. — This evening will continue to be quite warm with temperatures in the high 80s.

A few scattered showers will creep in at around 6 p.m., a sign of rain chances starting to increase again.

WPTV First Alert Weather Forecast for Evening of Monday, July 21, 2025

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Tuesday will get more active with the showers and storms, with some heavy rainmakers expected in the early dinnertime hours. We will hang on to the higher moisture for a few days before rain chances go back down before the weekend.

A tropical wave in the middle of the Atlantic has a low chance of developing before it reaches the Caribbean islands. After that, conditions become hostile for any development.

Tropics July 21, 2025