Dangerous snow squalls to hit Great Lakes, interior Northeast in wake of nor’easter

By Renee Duff, AccuWeather meteorologist
March 13, 2018, 5:23:00 AM EDT

Biting winds and travel-snarling snow squalls will sweep through the Great Lakes and interior Northeast during the first half of the week.

Inland areas spared from the latest nor’easter will not be sheltered from the harsh cold and snowy conditions that punch southward from Canada behind the storm.

A pocket of cold air will generate widespread snow showers from the Upper Peninsula of Michigan southward to the Ohio Valley and eastward to the central Appalachians and eastern Great Lakes spanning Monday night into Wednesday.

Some of the snow will extend into the mountains of eastern Tennessee and western North Carolina.

The pattern will be conducive to generating sudden snow squalls, which are notorious for triggering multi-vehicle pileups, similar to what occurred along Interstate 94 in Michigan to end this past week.

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Those with travel plans along interstates 69, 70, 75, 79, 80, 81, 86, 90, 94 and 96 during the first half of this week will be at risk of encountering rapidly changing weather conditions and should be prepared to slow down and turn their headlights on when visibility is reduced.

Motorists traveling through a snow squall may experience a complete whiteout and slippery roads in a matter of seconds.

Locations that are hit with persistent snow bands could pick up a quick coating to a few inches of snow.

Erie, Pennsylvania, is expected to add to its impressive snowfall total since December 2017, which is nearing 200 inches.

A few of the snow showers that will riddle interior areas may make it to part of the Atlantic Coast at midweek.

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Cold, harsh winds from Canada will accompany the surge of snow.

AccuWeather RealFeel® Temperatures will be held in the teens over the interior and 20s F along the coast during much of the week.

“In the I-95 corridor, temperatures will struggle to crack the 40-degree Fahrenheit mark from New York City to Baltimore, a mark more typical of mid-January than mid-March,” according to AccuWeather Meteorologist Kyle Elliott.

While the frequency of snow showers is expected to diminish past midweek, especially around the central Great Lakes, the brisk, cool conditions will take longer to scour out of the region, likely lasting into the St. Patrick's Day weekend.

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