Much below normal temperatures should persist across the eastern U.S. into early February before moderating slightly.

A dramatic blast of cold air may be coming for the United States in late January, courtesy of the polar vortex. Here's what ...

The Grand Canyon in northern Arizona is listed as one of the seven natural wonders of the world. The Colorado River, running through it for approximately six million years, has established ...

What is the polar vortex? Mississippi weekend weather forecast calls for winter storm with lows in the teens, paired with freezing rain, sleet and snow.

Michigan is set for several days of frigid temperatures and heavy lake-effect snow as Arctic air continues its slow march across the eastern U.S.