Children play in the snow at the Huntington Holiday Spectacular...

Children play in the snow at the Huntington Holiday Spectacular in Huntington, Friday. Credit: Newsday/John Asbury

The storm, which is expected to make overnight travel on Long Island roadways treacherous, while potentially downing trees and causing power outages, arrived shortly before sundown.

By the time the storm clears out -- tapering off between 8 a.m. and midday Saturday -- parts of eastern Long Island, including Westhampton, could receive more than 9 inches of snow, according to a Friday evening advisory from the National Weather Service in Upton.

Most of Nassau was expected to receive around 8 inches, with the heaviest accumulation occurring in the late evenings and overnight hours, when snow could fall at rates of one to t inches an hour, officials said.

"The big story is the very low visibility," said weather service meteorologist Jay Engle. "With the falling snow and extremely low visibilities, travel is not being recommended [through 1 a.m.] It's going to be too difficult."

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