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Long Island weather: Mostly rain mixed with a few snowflakes

Earlier forecast called for snow but updated computer models show a morning commute “more wet than icy,” the National Weather Service says.

About 2 to 3 inches of snow is expected Tuesday night, Jan. 16, 2018, for Nassau County and up to 1 inch of snow is expected for Suffolk, forecasters said. News 12 Long Island meteorologist Rich Hoffman said he expected there could be some rain mixed in with the snow, and he did not expect that accumulations would exceed 2 inches. (Credit: News 12 Long Island)

Long Islanders may want to grab their umbrellas for the Wednesday morning commute, as the inch or two or three of snow previously predicted is now expected to be mostly rain with some snowflakes mixed in at times, forecasters said late Tuesday afternoon.

The latest computer models indicated a trend toward air warm enough for “primarily a rain event” on Long Island, said John Cristantello, a National Weather Service meteorologist in Upton. Morning roadways are likely to be “more wet than icy,” though a few slick spots can’t be ruled out, he said.

Nassau County and the northwest corner of Suffolk were looking at less than an inch of snow, with the rest of Suffolk slated for no snow at all, the weather service said.

Still, there was a one in 10 chance of a slight turnaround, which could bring an inch of snow for the Island. Temperatures overnight were forecast to dip to about 34 degrees by daybreak Wednesday at Long Island MacArthur Airport. The temperature is expected to warm up to only about 36 degrees during the day.

There’s “better than a 50/50 shot” for precipitation to start falling after midnight, first as a rain/snow mix in some spots, then all rain, Cristantello said, though there was also potential it won’t arrive until around 4 or 5 a.m. Wednesday.

Look for precipitation to start winding down after the morning rush, he said, with the potential for a brief return to a rain/snow mix in some areas, before clearing by early afternoon.

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