Later this afternoon and evening are expected to bring the heaviest snowfall and the worst conditions on the roads across a big part of Michigan.

For the holiday, lake-effect snow is likely to develop downwind of the Great Lakes. “Those traveling on Thanksgiving Day around the Great Lakes region may have to contend with typical lake-effect snow showers, which can result in reduced visibility and slippery travel,” Duff said.

After a nippy Saturday, Mass. has up to a 90% chance of snow next week. Forecasters warn of 6 inches and more in some areas. Here's the details.