Dan Schumacher clears off the sidewalk outside of the Sioux Falls, VA Medical Center in Sioux Falls, S.D., Nov. 30, 2015.
Photo by Jay Pickthorn/The Argus Leader/AP

Winter storm targets Midwest, Plains again; some brace for foot of snow

Winter hasn’t officially begun yet, but try telling that to the folks in the middle of the U.S.

Some in the Midwest and Plains were preparing Monday for their third heavy snowfall in less than two weeks.

Parts of seven states in the country’s midsection are blanketed in winter storm warnings and advisories Monday — and they will soon be blanketed in snow, according to meteorologists.

The Dakotas, Minnesota, Northern Iowa, northwest Wisconsin and Kansas could all see accumulations during the storm, which is due to start late Monday and last into Tuesday.

The Minneapolis and St. Paul metro area already woke up to up to 3 inches of snow Monday morning, according to Weather.com, while Denver got about an inch and a half overnight.

The twin cities, along with Sioux City, Iowa, and Sioux Falls, South Dakota, could expect messy commutes Monday night and Tuesday.

Greenhouse, 11/12/15, 12:27 PM ET

Mysterious warm water is melting Antarctica

Chris Mooney from the Washington Post explains two competing studies. One says that Antarctica is getting more snow fall but another one says that warm water is definitely melting and contributing to sea level rise.
By the time the storm passes through, between 5 and 12 inches of snow are likely in those areas, according to Weather.com. Sioux Falls was still recuperating from a Nov. 20 storm that dumped 18 inches on the city.

Oklahoma was bracing for snow accumulation while still cleaning up after freezing rain, ice and sleet that began on Thanksgiving. More than 64,000 customers were still without power Monday morning, and Gov. Mary Fallin declared a state of emergency Sunday night for recovery and preparation.

Parts of Kansas, where six people were killed over the holiday weekend due to icy road conditions, could also expect more snow and ice through Tuesday. 

This article first appeared at NBCNews.com

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Winter storm targets Midwest, Plains again; some brace for foot of snow