Shot of snow to deliver slippery spots, cold for Plains, Midwest

 By Courtney Travis, AccuWeather senior meteorologist

Updated Feb. 28, 2021 2:46 PM EST

A swath of snow is forecast to streak across the northern tier of the country, opening the door for a blast of colder air to filter in from Canada.

A quick-moving storm began bringing snow across South Dakota and far-northern Nebraska late Saturday afternoon, before spreading snow northeastward into Minnesota and northwestern Iowa Saturday night.

Prior to sunrise on Sunday, snow also began to spread into Minneapolis and St. Paul.

As of midday on Sunday, snow had ended across the Dakotas and Minnesota, but continue in Wisconsin and the Upper Peninsula of Michigan. Snow is forecast to continue into the early evening.

AccuWeather Meteorologist Matt Benz described early on Saturday that a band of heavy snow could develop with the storm, producing a small swath of heavy snow, despite being a quick-moving storm.

This band of snow did, in fact, form just north of Sioux Falls and west of Minneapolis on Sunday, producing isolated snowfall amounts of 7 to 8 inches of accumulation.

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Even after snow has ended by later on Sunday, one more quick burst of snow is possible in some of the same locations on Sunday night and Monday.

Only a quick inch or two of snow is expected, but in places like northern Wisconsin and the Upper Peninsula of Michigan, this will be in addition to the first round of snow.

The second round of quick-hitting snow may allow for slippery conditions on roads and sidewalks that will linger into Monday morning.

Snow piling up across parts of the area will continue to make slow strides towards pulling some cities closer to their average winter snowfall.

In Minneapolis, approximately 54 inches of snow is average during a winter season; however, this winter, since Oct. 1, 43 inches has fallen. The city of Marquette, Michigan, has recorded 93.2 inches of snow since Oct. 1, but this is still shy of their average 145 inches of snow per winter.

In both cities, accumulating snow can occur as late as early May, depending on the year.

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The waves of snow will help to usher in a spell of chillier weather across the northern Plains and Upper Midwest into Monday.

After mild day on Saturday, with temperature soaring above normal into the middle and upper 40s in the afternoon, cold air is forecast to move in along with and following the snow Sunday.

Temperatures in Sioux Falls, South Dakota, to Minneapolis struggled to reach the freezing mark on Sunday.

Fargo, North Dakota, Minneapolis and Green Bay, Wisconsin, are all expected to only reach the 20-degree mark by Monday.

"Temperatures of this magnitude are, on average, 5-10 degrees below normal for late February or early March," said AccuWeather Meteorologist Nicole LoBiondo.

The cold air invasion will be brief, as the mild air across the central Plains pushes northward back into the region by Tuesday.

Another shot of cold air may reach the Upper Midwest and Great Lakes for the first weekend of March.

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