Millions of people in the eastern half of the U.S. from the Northeast to the Southeast will see some sort of Thanksgiving Day travel troubles as a high-impact winter storm brings heavy snow, rain and severe weather to the region.

The U.S. Northeast has been hit with a winter storm that has brought rain and snow amid Thanksgiving Day festivities and disrupted travel plans for those moving around on the holiday. A “dynamic mid-latitude cyclone” is spreading scattered showers and thunderstorms onto the East Coast on Thursday,