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.

One of the strongest storms we've seen in Massachusetts in quite a while will bring rain and snow on Thanksgiving.The holiday will essentially be a washout with rain expected from mid-morning until late in the evening Thursday.

Mother Nature is about to serve up some unappetizing conditions for the millions of Thanksgiving travelers: sloppy weather, snow, the coldest temperatures since February and a potentially disruptive storm are on the way through the holiday weekend. Here’s a day-by-day look at what to expect this week.

A post-Thanksgiving storm could bring Kansas City’s its first snow of the season on Saturday, the National Weather Service said. Up to 2 inches of snow is possible in some areas. There is still a lot of uncertainty in the forecast, so holiday travelers should continue to monitor the forecast. National Weather Service in Kansas City

A storm system will sweep over the region Thanksgiving Day, bringing a mix of rain and wind. Some areas even face a chance of snowfall.

PORTLAND (WGME) -- A Thanksgiving storm is set to bring the first plowable snow of the season to much of Maine, with messy travel expected Thursday evening and night. The storm will wrap up on Thursday night with much quieter but colder weather heading into the weekend.

Don't worry about making space in your freezer for leftovers this year if you live in any of the states expected to have a chilly holiday weekend.

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,

Some people save their Thanksgiving travel for the day-of, and those in the eastern half of the U.S. could experience disruptions.