Forecasters in the U.S. have warned of another round of winter weather that could complicate travel leading up to Thanksgiving

The National Weather Service has issued a series of winter weather advisories across the country as an estimated 80 million Americans are expected to travel at least 50 miles from their homes to celebrate Thanksgiving later this week.

Winter storm warnings have been issued for parts of the U.S. this Thanksgiving week—here's where snow could fall.