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NWS: Flash flood watch overnight into Friday, nice weekend ahead

There's a 40 percent chance of showers and

There's a 40 percent chance of showers and thunderstorms on Thursday, mainly after 3 a.m., the National Weather Service said.  Credit: Weather Underground

The National Weather Service has issued a flash flood watch for Long Island as possibly heavy rain moves into the area overnight and into Friday.

Thunderstorms may bring 1 to 2 inches of rain per hour and gusty winds. The storms may lead to flooding in poor drainage areas, the Thursday afternoon advisory said, adding there may be "torrential downpours" affecting the morning commute. 

The flash flood watch is in effect from 2 a.m. Friday through the afternoon.

The storms will, however, finally ease the heat and humidity that has enveloped the region in the past week and probably lead to a "gorgeous" weekend, forecasters said. 

There’s a 40 percent chance of showers and thunderstorms, the National Weather Service said, and some of those storms could produce heavy rain that will continue through the afternoon.

"We’ll have a cold front across the area Friday," said Faye Morrone, a weather service meteorologist in Upton. "What that will mean is showers and thunderstorms."

The weather service predicts a high in the low 80s Friday with a low near 60. The rain will give way to drier weather Friday night, Morrone said. Saturday and Sunday should stay dry.

News 12's Bruce Avery predicted low humidity on both days. Saturday will be “absolutely gorgeous,” he said. Long Islanders can expect temperatures in the upper 70s on Saturday, heating up a bit on Sunday with highs in the low 80s, according to Avery.


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