Reinforcing blast of chilly air to hit northeastern US early this week

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By Renee Duff for AccuWeather.com

Temperatures will take a tumble across the northeastern United States during the first half of this week.

After a chilly and blustery weekend, an even cooler air mass will sweep across the region as a cold front dives southward.

"A chilly high pressure system will build across the Great Lakes, eastern Ohio Valley into the Northeast," AccuWeather Long-Range Meteorologist Paul Pastelok said.

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Morning mist hangs over the historic old town in Dresden, eastern Germany, on September 22, 2016. Autumn officially begins on the equinox on September 22. / AFP / dpa / Arno Burgi / Germany OUT (Photo credit should read ARNO BURGI/AFP/Getty Images)
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The coolest air will arrive on Tuesday and Wednesday, when highs will range between 5 and 10 degrees Fahrenheit below normal.

Highs in the upper 30s to middle 40s F will be common across New York and New England, with highs generally in the upper 40s to upper 50s in the mid-Atlantic.

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Lows will drop into the 20s across much of New York and New England, with 30s expected elsewhere across the region.

"Some areas untouched by frost so far this season in the mid-Atlantic could be reached during the middle part of the week," according to AccuWeather Senior Meteorologist Alex Sosnowski.

More from AccuWeather: US winter forecast: Frequent snow to blast Northeast

Those who have not had to turn on the heat thus far may have to do so this week.

The cool push will be accompanied by blustery conditions which could knock down and blow around unsecured decorations.

Factoring in the wind, AccuWeather RealFeel® Temperatures are expected to be 5 to 10 degrees lower than the actual temperature, despite some sunshine.

Sun may be limited across portions of upstate New York and northern New England, where rain showers may mix with wet snow from Tuesday into Wednesday morning.

Snow accumulations will generally amount to a coating to 2 inches, with higher amounts across the mountain peaks.

Beyond midweek, there may be a brief warmup before another shot of cold air arrives in the Great Lakes and Northeast during the first few days of November, Pastelok said.

More from AccuWeather: Check AccuWeather MinuteCast® for your location

The first sweep of chilly air moved across the region on Friday and Saturday, with gusty winds, soaking rain and high-elevation snow.

A general 1 to 3 inches of snow fell across the Adirondacks, Berkshires and Catskills on Saturday.

Even higher amounts fell across the tallest peaks.

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