Lake effect snow is forecast to wallop the already snow-buried Great Lakes region, while much of the continental U.S. will experience below-freezing temperatures over the next few days.

Lake-effect snow blowing in from the Great Lakes has blanketed parts of Michigan, Ohio, Pennsylvania and New York, stranding hundreds of vehicles on roads and snarling post-Thanksgiving travel. Well over two feet of snow had fallen in many parts of the region by early Monday,