A powerful early-season winter storm is bringing dangerous blizzard conditions to Michigan’s Upper Peninsula and severe lake effect snow to northern Lower Michigan

Traveling to your Thanksgiving destination may be smoother than heading home, with a cross-country storm possibly bringing rain and snow over the long weekend.

Cold air is sweeping across the Great Lakes region, bringing lake-effect snow from Michigan's Upper Peninsula to Western New York.

According to AccuWeather’s forecast map for Wednesday, states with the poorest travel conditions include Michigan, Wisconsin, and Minnesota. “Fair” conditions are expected along the East Coast and Northwest, as well as parts of Idaho, Montana, Wyoming, and Colorado. Much of the remainder of the country will see good conditions, the map showed.

See where the snow storm is developing over Michigan with live Doppler radar. Winter storm warnings, watches are in effect.

Michigan is in for a windy, rainy and snowy week, with weather officials expecting almost 2 feet of snow in some UP spots.

Temperatures in the Chicago area are forecast to dip into the 30s starting Wednesday, and wind chills could fall to a low of 6 degrees Thursday morning, according to the National Weather Service.

A major winter storm impacting 40+ states beginning Friday is set to bring snow and heavy rain through the weekend. The worst of the impacts are expected to be in the Upper Midwest and the Plains.