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FORECAST: How much longer will this heat wave last?

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

Most of of Florida is under a heat advisory today, with feels-like temperatures ranging from 105 to 110 degrees.

Heat advisory July 21, 2025

Actual temperatures will be in the lower 90s across our viewing area. This evening will continue to be quite warm, with temperatures in the high 80s.

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

There won't be much rain today, but a few scattered showers will creep in at around 6 p.m., a sign of rain chances starting to increase again.

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7-day forecast July 21, 2025

Tomorrow 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