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Burst of cold air, snow showers to motor across northeastern US Thanksgiving weekend

By Alex Sosnowski, AccuWeather senior meteorologist
November 26, 2017, 12:59:41 AM EST

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A quick dose of cold air with lake-effect snow showers will race across the northeastern United States this weekend.

Those heading out this weekend with hopes of avoiding big shopping crowds will have to bundle up. Some people around the Great Lakes may have to drive over snow-covered roadways.

Snow showers Nov 25 pm

This weekend's cold episode will pale in comparison to the blast that hit on Nov. 9-11, when the lowest temperatures of the season so far were established.

However, the cold shot will follow a brief period of surging temperatures to end the week and may pack a shock as a result. It may feel 30 degrees lower from one day to the next.

Spotty rain showers may mark the leading edge of the cold air in some locations.

As the cold air drops in, a brief period lake-effect snow showers will develop. There can be 1-3 inches in a few of the snowiest spots, mainly downwind of Lake Ontario.

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For the most part, accumulating snow will occur in narrow zones and only affect a fraction of the region. The snow may still pose problem for those traveling long distances.

Motorists venturing along portions of Interstate 79, I-80, I-81 and I-90 may encounter sudden changes in visibility due to snow squalls.

Sunday will be the coldest day this weekend in the Northeast.

RF Nov 25

Gusty winds will add to the chill throughout the northeastern quarter of the nation.

RealFeel® Temperatures will range from the teens across the northern tier to the 20s to lower 30s southward to New York City and Pittsburgh on Sunday. The cold feel will follow Saturday's highs in the 50s to near 60 along the I-95 corridor.

"A second push of cold air may trigger locally heavy snow squalls to the southeast of Lake Ontario Sunday night," according to AccuWeather Meteorologist Steve Travis. A narrow zone of a few inches may quickly accumulate between Syracuse and Watertown, New York, by Monday morning.

Sunday night snow Nov 25 pm

Residents may face slippery travel, including on I-81, as they head back to work and school to start Monday.

Away from the traditional snow belts near the Great Lakes, most of the region can expect good travel conditions for the journey home this weekend.

A substantial warmup will progress from the North Central states to the Northeast early this week.

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