At a Glance

Accumulating snow is expected in the Great Lakes into Wednesday night.Some locations have gone from thunderstorms to snow in less than 24 hours.

Snow is spreading across the Great Lakes less than 24 hours after thunderstorms, some severe, rumble through parts of the region. This weather system could even bring a light accumulation of snow to the Chicago metro area, which hasn't seen an inch of snow on the ground since Christmas and saw no snow in all of February.

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The setup for this quick-hitting snow event involves colder air wrapping in behind the same low-pressure system spreading severe weather through the southern and eastern states. Just enough moisture will overlap with that cold air on the low's northwest side to result in accumulating snow in portions of Iowa, southern Minnesota, northern Illinois, Wisconsin, northern Indiana and Michigan.

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Strengthening low pressure moves near the Great Lakes on Wednesday. Colder air wraps in behind the low, resulting in snowfall for some areas.

This isn't expected to be a major snowmaker,but it will add to the snowpack in some areas affected by last week. Interestingly, had snow falling less than 24 hours later on Wednesday morning.

Forecast Timing

Wednesday Night: Snow ends west of Lake Michigan during theevening but continues in northern Indiana, northern Ohio and Michigan. Rain may change to a brief period of snow in western New York, western Pennsylvania and the mountains of West Virginia.Thursday: Some light snow could linger across interior parts of the Northeast into Thursday morning.City Forecasts: | | | |

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How Much Snow?

The greatest potential for more than 3 inches of snow includes areas from central Wisconsin to northern Lower Michigan. Some locations in that swath could see more than a half-foot of snow.A dusting to a few inches of accumulation is expected for the rest of the area that sees snowfall in the upper-Mississippi Valley and Great Lakes.

After the Wednesday system moves through, a separate snowmaker could also affect parts of the Midwest and Great Lakes Thursday. Snowfall accumulations are forecast to be light, but brief travel impacts are possible in a narrow zone.

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MORE ON WEATHER.COM: Winter Storm Quid

A woman crosses 16th street during a snow storm Friday, Feb 24, 2017, in Omaha, Neb. (Brendan Sullivan/Omaha World-Herald via AP)