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Long Island weather: More rain possible this weekend

The Long Island weather forecast for Friday, Sept.

The Long Island weather forecast for Friday, Sept. 11, 2015. Credit: Newsday / NWS

With Thursday's drencher behind us, dropping 3 to 4 inches of rain in some spots, there's a good chance Long Island will see another batch of widespread precipitation, but not likely until Saturday night into Sunday, forecasters say.

Saturday morning is expected to bring sunny skies, giving way to increasing clouds by the afternoon and possible afternoon or evening showers, according to the News 12 Long Island weather page. Look for highs in the mid-to-upper 70s. .

There's a 30 percent to 50 percent chance for showers and thunderstorms after around 3 p.m., said Joe Pollina, weather service meteorologist based in Upton. Chances increase to 70 percent to 80 percent after 7 p.m., he said, with rain lasting overnight into Sunday.

Any heavy rain coming with thunderstorms could result in street flooding, News 12 said.

And, yes, runners in Sunday morning's inaugural Suffolk County Marathon can expect chances of rain around 50 percent to 70 percent, as of Friday afternoon's forecast. At that point, though, rain could be light and less widespread, Pollina said, barring any thunderstorms, which can deliver more of a punch. Temperatures are expected to be a little cooler, with highs in the mid-70s.

In all, much of the Island could see an inch and a quarter from Saturday morning through Monday at 2 p.m., the weather service said.

Whatever comes, though, is still needed to help alleviate the Island's moderate drought conditions.

Thursday's system delivered 2.3 inches of rain at Long Island MacArthur Airport, where there's still a 1.13 inch deficit from September's normal rainfall.

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