This page is a summary of the Thanksgiving forecast for Wednesday, Nov. 27. For updates on Thanksgiving Day weather, visit USA TODAY's story for Thursday, Nov. 28. A cross-country storm, a blast of Arctic air and an outbreak of showers and thunderstorms are threatening to snarl traffic and pile up delays at airports over the Thanksgiving holiday weekend,

A high-impact winter storm packing heavy snow and rain has moved into the Northeast, leading to last-minute travel troubles as millions of people across the U.S. gather with family and friends on Thanksgiving to celebrate the holiday.