In the Great Lakes region, the Michigan Upper Peninsula is expecting snow on Friday. Snowfall will begin on Thursday evening and continue through Friday morning. Up to 4 inches of snow will fall in Ironwood, Ontonagon, Sidnaw, Kenton, and Iron River, among other cities.

Light snow across the Denver metro was expected to clear by mid-morning Friday, though near-freezing temperatures were expected to continue throughout the day.

More than 122 million Americans are expected to travel at least 50 miles for Christmas and New Year's holidays this year.