Kathryn Prociv

Don't forget to check the local forecast before you hit the road: Snowfall could snarl post-Thanksgiving travel plans across the northern Plains and Midwest, while roughly 9 million people are under freeze warnings in the South.

Highest snow accumulations expected east of Lake Ontario, where some isolated areas could get hit by up to 60 inches of snow.

The highest snow accumulations are expected east of Lake Ontario, where some isolated areas could be hit by up to 60 inches of lake-effect snow by early next week.

Nearly 19 million people are under winter alerts for quick bursts of snow, strong winds and blizzard conditions across swaths of the U.S.

Around 20 million people are under winter weather alerts across parts of the Mid-Atlantic and New England, including Philadelphia and Burlington, Vermont.

Thirteen million people are under the risk for severe storms Thursday across eastern Texas, western Louisiana and southern Arkansas.

In 2024, the U.S. recorded the highest number of tornadoes in at least a decade. Researchers are trying to figure out why.

The bitter cold will begin Sunday and last through much of the week.

A particularly dangerous situation red flag warning is in place from noon Monday to 10 a.m. PT Tuesday for a large portion of Ventura and Los Angeles counties.

Most cities in the region do not have snow plows. Louisiana had 400,000 pounds of salt ready to spread over roads and bridges in preparation for the icy conditions.