Fast-moving storm to usher in unsettled weather for Midwest, Northeast

 By Mary Gilbert, AccuWeather meteorologist

Updated Dec. 27, 2020 3:03 PM EST

Following a white Christmas for some and a wet Christmas for others, another round of unsettled weather is on the way as a quick-hitting storm takes aim at the Great Lakes and Northeast early this week.

After a quiet Saturday across much of the Northeast outside of the lake-effect snow areas, an approaching storm will usher unsettled weather back into the region into Monday.

Unsettled weather for the Midwest arrived early Sunday as snow showers spread over the region.

A fast-moving storm, which began in southern Iowa during the morning hours Sunday, will quickly push into southern Ontario, Canada, by Sunday night.

Along the way, this system will bring periods of rain and snow to portions of the Great Lakes and Midwest. On the northwestern edge of this storm, a quick 1-3 inches of snow can blanket parts of the eastern Dakotas, Minnesota, Wisconsin and Michigan on Sunday. Sunday night, snow will continue to fall across eastern Wisconsin and the Upper Peninsula of Michigan and will expand across northern Michigan.

"Green Bay, Wisconsin, has only received about 2 inches of snow so far this month and could double or triple their month-to-date total Sunday and Sunday night," AccuWeather Senior Meteorologist Mike Doll said.

The Green Bay Packers game against the Tennessee Titans is likely to be a snowy one on Sunday night at Lambeau Field.

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Rain showers will dampen portions of Iowa and Illinois during the day Sunday, but precipitation will expand farther north and east into early Monday morning.

Workers commuting in Indiana, Ohio and southern Michigan on Monday morning will have to deal with damp, potentially slick roadways as a result of precipitation overnight.

"Roads can become slippery and hazardous at a time when many people will be traveling," Doll added.

As the center of the storm tracks northeast along the border between Canada and the United States on Monday, a cold front associated with the system will dig into the Northeast.

This cold front will interact with a rather dry air mass across the northeastern United States and widespread, heavy precipitation is not anticipated. However, some snow and rain showers can still develop across the region.

Snow showers will stretch from portions of northeastern Ohio, western Pennsylvania and New York, to portions of New England on Monday. A quick 1-3 inches of snow can blanket the area.

A few rain showers can develop farther east and dampen portions of eastern Pennsylvania into southern New England on Monday.

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In addition to wet weather, this storm will also kick up gusty winds across the Midwest and Northeast Sunday night through Monday. While widespread damaging wind gusts are not anticipated at this time, winds can be strong enough to cause some minor issues for travel.

After this fast-moving storm jogs into Atlantic Canada on Monday night and its influence on the northeastern U.S. winds down, AccuWeather forecasters will turn their attention to the next significant storm to target the center of the country.

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