As rain falls across much of the Plains and Midwest, extreme winter weather could cause problems farther north.

Much of the U.S. faced a fresh round of Arctic air late last week, affecting areas from the Dakotas to the East Coast.

Washington state residents are bracing for possible mudslides and levee failures from floodwaters that are expected to be ...

Cold weather alerts are affecting 69 million people from the Midwest to the Gulf Coast, while 5 million people face new flood ...

For the first half of December, it's been unseasonably cold in much of the eastern half of the U.S. But that's finally about ...

The Midwest and Great Lakes region look locked into typical December weather. Expect cold temperatures and occasional clouds, ...

A large Arctic high-pressure system will take over much of the Midwest this weekend, bringing cold air from the north.

Cold and snowy weather has gripped much of the northern tier of the United States since Thanksgiving, but a pattern change will torch the chance of white Christmas for many.

The northern lights have long been hailed as one of nature's most awe-inspiring works. Seemingly supernatural, these colorful ...

Sixty million people from the northern Plains through the Southeast are under cold weather alerts this weekend and will face ...

Travelers may need a bit of festive magic to make it home for the holidays with a trifecta of weather patterns sweeping across the United States. Several different storm systems could impact millions ...