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Long Island weather: Back to cold, dry air, with temperatures in 30s

Cold, dry weather returns on Long Island for

Cold, dry weather returns on Long Island for Tuesday, with highs in the low 40s, forecasters said. Credit: News 12 Long Island

Welcome to early December's cold spell, which looks to last at least through early next week, forecasters say.

Long Island will be "dry and cold this week," said News 12 Long Island meteorologist Rich Hoffman. But that could change, as forecasters are monitoring conditions that may — or may not — bring a coastal storm to the area, possibly Monday.  

With cold air rushing into the area overnight, Tuesday’s early morning risers were greeted with temperatures in the upper 30s, the National Weather Service said.

By 11:30 a.m., the temperature at Long Island MacArthur Airport in Ronkonkoma was 41 degrees, just as expected, but feeling cooler with wind chill, Hoffman said.

Then, overnight lows go down to the low 20s by early morning Wednesday, which should warm up to the upper 30s with increasing clouds, the weather service said. The normal high for the day at MacArthur is 46, with 31 the normal low.

There could be a "few possible snow showers late Wednesday," the weather service said. If anything, this would mean some flurries for areas of Long Island toward afternoon and early evening, with no accumulation, said Melissa Di Spigna, weather service meteorologist in Upton.

Thursday and Friday also were looking at lows in the 20s and highs in the 30s.

As for next week? Hoffman said to look for a “January chill,” with temperatures a good 10 degrees below normal.

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