Not likely enough even to be mentioned in the forecast for Saturday, there is a low chance for a few flakes, as in snow, to fall in isolated spots on Long Island, forecasters say.

“It’s not completely out of the question to have a stray flake by daybreak,” when temperatures would be sufficiently cool, said Tim Morrin, National Weather Service meteorologist based in Upton. Higher chances would be for areas farther inland in the Hudson Valley, he said.

Anything that did come this way would be “very isolated and very light,” he said. A trace at that.

Not surprisingly, the first 17 days of December, averaging 11.3 degrees above normal, have not seen even a trace of snow at Long Island MacArthur Airport, where the average snowfall for the month is 5.4 inches.

In fact, Saturday, expected to bring more seasonable highs of 39 to 41 degrees, presents the opportunity to see the first, even slightly, below normal temperature this month, Morrin said, with 42 to 43 the norm.

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News 12 Long Island meteorologist Rich Hoffman said Friday and the weekend will receive a “short blast of cold air” before conditions once again turn unseasonably warm at the start of next week.

Overall, daily highs for the weekend will be in the low 40s, with lows around 27, Hoffman said.

While Saturday looks to be mostly dry with a mix of sun and clouds, there is a chance for a shower between 3 a.m. and 8 a.m., he said.

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“Temperatures will be near normal, and it will feel very cold with strong winds Saturday,” Hoffman said of the weekend conditions.

Saturday’s daily highs are expected in the low 40s; Sunday is mostly sunny with highs in the mid 40s.