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FLOOD WATCH: Flooding concerns continue across Long Island

Showers and storms will continue into the overnight and parts of Wednesday.

Leanne Byer

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Jul 28, 2026, 3:46 PM

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A flood watch is in effect through 8 p.m. Wednesday as we track the potential for pockets of moderate-to-heavy rain with thunderstorms.

Tonight: The threat for flooding will continue through the evening and overnight hours as additional rounds of showers and thunderstorms move across the Island. While the most widespread and intense rain should wind down after sunset, pockets of heavy downpours remain possible overnight. Any storm could produce rainfall rates of 1 to 2 inches per hour, with isolated higher amounts, leading to additional flash flooding concerns in vulnerable locations.

Wednesday: After a mainly quiet and dry morning commute, scattered showers and thunderstorms will redevelop during the afternoon and evening. While the flooding threat won't be as widespread as today, any heavier downpour could still lead to localized flooding concerns. Flood Watches remain in effect through Wednesday evening in parts of the region.

Thursday: Conditions continue to improve with a mix of clouds and sunshine. A few isolated afternoon showers or storms are possible, but coverage will be much lower and the overall flood threat will be minimal.

Looking ahead: Better weather arrives Friday as high pressure builds into the Northeast. That will set the stage for a pleasant summer weekend across Long Island, featuring a mix of sun and clouds, seasonable temperatures, and mainly dry conditions.

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