After a dry day Wednesday, a storm will bring rain, a wintry mix and snow for Thanksgiving Day. Road conditions likely deteriorate Thursday as the day continues on. Brighter and dry again on Friday and much of the weekend.

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.

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, one of the nation's busiest travel periods.