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.

The big rivalry game weekend has arrived. The Michigan Wolverines are playing those other guys from down south, known as the Ohio State Buckeyes. Kickoff at the Big House is scheduled for noon, just before snow is expected to start at 1 p.m. in Ann Arbor, according to the National Weather Service in White Lake.

A winter weather advisory was released by the National Weather Service on Saturday at 1:35 p.m. valid for Sunday between 3 a.m. and noon for Somerset County.

An updated winter weather advisory was issued by the National Weather Service on Saturday at 2:05 p.m. EST in effect until Sunday at 7 a.m. EST for Iron, Dickinson, Menominee and Delta counties.

More than 2,200 flights traveling to, from or within the U.S. were delayed as of Friday afternoon, according to flight tracking website FlightAware, with 50 flights canceled.

A fast-moving winter weather system is expected to bring 1 to 3 inches of wet snow to Northeast Ohio overnight Saturday, according to the National Weather Service in Cleveland.

A winter weather advisory was released by the National Weather Service on Saturday at 1:25 p.m. valid for Sunday between 3 a.m. and noon for Westmoreland Ridges and Fayette Ridges.

A winter storm system is expected to intensify Saturday morning, bringing steady snow showers and creating potentially hazardous travel conditions across Illinois, Missouri, Iowa, Wisconsin and Michigan.

On Saturday at 9:50 a.m. the National Weather Service issued a special weather statement until 1 p.m. for Foothills of the Northern Blue Mountains of Oregon.