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Long Island weather: Rain, fog to continue through evening, overnight

Snow melt and the rainfall could well lead to urban/poor drainage flooding, the weather service said.

A runner in shorts navigates the fog surrounding

A runner in shorts navigates the fog surrounding Bethpage Bikeway in Plainview on Friday, Jan. 12, 2018. Photo Credit: Barry Sloan

Rain, heavy at times, will continue through the evening commute and overnight hours, forecasters say, with areas of dense fog making for challenging driving.

A dense fog advisory is in effect through 5 a.m. Saturday, warning Long Islanders to expect frequent reduction in visibility to a quarter-mile or less.

“Motorists need to be alert for sudden changes in visibility,” which “may vary significantly in just a short distance,” the National Weather Service said in a special statement. “Allow extra space between you and the vehicle ahead of you and only use low beam headlights.”

Shortly before 3 p.m., rain was falling in most of Nassau County, and was starting “to creep into far western Suffolk,” said Faye Morrone, National Weather Service meteorologist in Upton.

There’s also potential for an isolated thunderstorm or two Friday night, forecasters said.

Weather conditions were causing delays for arriving flights at LaGuardia and Kennedy airports, according to the Federal Aviation Administration website.

The temperature at Long Island MacArthur Airport was 55 degrees in the early afternoon, with potential to rise a couple of degrees, forecasters said, continuing the snow melt.

That and the rainfall could well lead to urban/poor drainage flooding, the weather service said.

“Watch out for flooding toward the evening rush hour,” News 12 Long Island meteorologist Rich Hoffman said.

The weather service warned of the possibility of 1 1⁄2 to 2 inches of rain before it tapers off Saturday morning.

Town of Hempstead Supervisor Laura Gillen urged residents to report localized flooding to the town by calling the Department of Public Safety at 516-538-1900.

Ccrews “have been diligently checking and clearing snow from storm drains for the past three days,” Gillen said Friday.

Then, along comes “another ‘mini’ deepfreeze” for Sunday and into the workweek, said Richard Von Ohlen, News 12 meteorologist.

The temperature will drop to the freezing level by Saturday evening, and plunge into the teens Saturday night, the weather service said. So Long Islanders should watch for any moisture on roads and sidewalks to freeze.

Sunday will be mostly sunny, and high temperatures will be in the mid-20s, the weather service said.

Monday, Martin Luther King Jr. Day, will have a high near 30, and snow could move in after midnight.

With John Asbury

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