Snow and arctic temperatures swept much of the Midwest and Upper Plains, covering roads in eastern Nebraska, northern Iowa and much of Wisconsin. Winter weather advisories were issued for parts of those states and Michigan, with up to 10.6 centimeters of snow predicted throughout Iowa, southern Wisconsin and most of Michigan by Sunday evening.

Much of the eastern U.S. braced for a renewed round of harsh, soggy weather on Saturday, while snowstorms were predicted in the Northeast and heavy winds brought the threat of tornadoes to the