Snow and winter weather this weekend: Here's where polar air will have the greatest impact

An influx of polar air across the eastern United States will help sustain winter weather in multiple areas through the weekend, bringing periods of snow and colder conditions. A series of weather systems will bring a variety of conditions across the United States heading into the weekend, including accumulating snow across parts of the Great Lakes and Northeast, and strong winds and mountain snow across the West. Polar air pushes South Across the Great Lakes, snow that began developing Thursday evening is expected to continue through Saturday evening. The Upper Peninsula of Michigan, the northern Lower Peninsula, and parts of Illinois and Indiana will see periods of snow as colder air interacts with the region. Some areas across the higher terrain of Michigan's Upper Peninsula could receive more than 8 inches. Snow is also possible across portions of northern Indiana and Illinois, where localized accumulations of 4 inches or more cannot be ruled out.

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