A cross-country storm is forecast to deliver wet and wintry weather throughout the week, potentially disrupting travel on the nation's roads.

The Thanksgiving travel rush is expected to be bigger than ever this year. AAA predicts that nearly 80 million people in the U.S. will venture at least 50 miles (80 kilometers) from home between Tuesday and next Monday.

A round of storms across the U.S. will potentially disrupt travel in the days leading up to Thanksgiving, with systems brewing over the West Coast before pushing to the East. The storms, which will begin Wednesday,