A powerful winter storm packing heavy snow, rain and even severe weather is set to snarl Thanksgiving travel in the eastern half of the U.S. after first walloping the West with winter weather that led to celebrations at ski resorts ahead of the holiday.

With Thanksgiving holiday travel well underway, many have reached their destinations — but for everyone else, a storm tracking from the Rockies to the Midwest and Northeast into tomorrow will bring rain and snow,

A winter storm packing heavy snow and rain is on its way to New York state, threatening Thanksgiving travel plans for millions as people leave home ahead of the holiday.