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FORECAST: Storms Gradually Wind Down Tonight; Another Round Returns Tuesday

Web wx Aug. 3, 2026
First Alert Forecast Monday 6pm update
Posted
and last updated

WEST PALM BEACH, Fla. — Thunderstorms that developed across Palm Beach County and the Treasure Coast this afternoon will gradually diminish through the evening, but not before bringing heavy downpours, frequent lightning and pockets of localized flooding to some communities.

The heaviest rain is shifting north and east through the evening, with storms expected to weaken after sunset. While many neighborhoods will begin drying out by 8 to 9 p.m., a few lingering showers could persist near the coast before ending overnight.

Tuesday will start much quieter. Morning temperatures will be in the upper 70s with a mix of clouds and sunshine, making for a mostly dry morning commute. By early afternoon, temperatures will climb into the lower 90s with heat index values reaching 101 to 108 degrees before thunderstorms begin to develop.

Like today, scattered to numerous thunderstorms are expected during the afternoon and evening, fueled by abundant tropical moisture and sea breeze interactions.

Tuesday Storm Timing

Morning (7 a.m. – Noon): Mostly dry with increasing sunshine.

Early Afternoon (Noon – 2 p.m.): Hot and humid with building clouds.

Mid to Late Afternoon (2 p.m. – 5 p.m.): Thunderstorms begin developing.

Late Afternoon into Evening (4 p.m. – 7 p.m.): Greatest coverage of showers and thunderstorms.

After Sunset: Storms gradually diminish.

Rain chances Aug. 3, 2026

Looking ahead, the weather pattern begins to shift during the middle of the week. Afternoon storms will become more typical for August, with the highest rain chances gradually favoring inland communities while coastal areas have a better opportunity to remain dry.

7-day rain outlook Aug. 3, 2026

While not every location will see rain each afternoon, keep an eye on the forecast if you have outdoor plans, as scattered thunderstorms remain part of the daily forecast through the rest of the week.

7-day forecast Aug. 3, 2026

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