West coast arctic plunge to reach South Jersey early next week

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An arctic outbreak born of negative-40 degree temperatures in Alaska will still mean business early next week when it finally arrives along the shores of the Atlantic Ocean, according to the National Weather Service.

While temperatures will moderate before then, the cold blast will usher in some of the coldest air of the season, and that could last for most of the week in South Jersey, the Middle Atlantic States and New England.

Arctic plunge cools off the Northwest

Daily high temperatures dropped to the teens across much of eastern Washington State, Idaho and Montana with 12-18 inches of snow expected across the extreme northern sections of Montana, Minnesota and Michigan.

Arctic plunge heads east

A cold front carrying the colder-than-normal temperatures is predicted to settle in during the middle of the week over the Great Lakes and the Ohio Valley, according to the National Weather Service.

The front could stall across the Appalachian Mountains when it reaches the East Coast, setting up a soggy weekend for people along the coast and a snowy adventure for those farther inland.

Temperatures are expected to drop on Monday when the front clears the coast. Daily high temperatures should remain in the 30s for much of next week for the South Jersey mainland.

Long-term outlook for South Jersey

Though relatively seasonable temperatures may return for a few days around the middle of December, the National Weather Service says cold weather will return in a big way around Dec. 16. The second wave of arctic air could unleash even colder weather just in time for the Christmas holidays, according to the National Weather Service.

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