A powerful winter storm is set to blast portions of the U.S. with accumulating snow, cold temperatures, strong winds and rain just as millions of people across the country prepare to travel early for Thanksgiving.

Multiple weather fronts will push rain and snow into the Midwest, Southeast, Mid-Atlantic and Northeast ahead of Thanksgiving week and some of the year's busiest travel days.

A pair of powerful winter storms packing snow, heavy rain and strong winds is expected to lead to treacherous travel conditions this week. This comes as millions of people across the U.S. prepare to hit the road and pack airports ahead of Thanksgiving.