A rare winter storm is getting set to slam the Gulf Coast and South, with cities from Texas to Florida under Winter Storm Warnings.

According to the NWS, the Arctic polar vortex is a powerful band of west-to-east winds that develops in the stratosphere, about 10 to 30 miles above the North Pole, during the winter season. It is ...

Much of the U.S. from the Rockies into the Northern Plains will see colder than normal temperatures starting Sunday into the ...

People living "basically anywhere from the Rockies eastward" will see extremely cold temperatures over the next several days, ...

The temperature is predicted to be around 22 degrees during the swearing-in, the coldest since Ronald Reagan’s second ...

Louisiana is forecasted to have a potential winter storm bringing a surge of cold air late Sunday into early next week.

Less than a week after a massive winter storm dropped a foot of snow on some parts of Sussex County, Delaware's southernmost ...

NORFOLK, Va. (AP) — The plunging polar vortex brought subfreezing temperatures Tuesday to some of the southernmost points of ...

A winter storm is aiming at Delaware again. Where the snow will hit is the biggest question. Here's what we know.

Temperatures plunged into the teens and single digits in some spots, and the snow-dusted winds are driving the wind chill ...

Forecasters say the extreme weather - named Storm Blair - is being caused by the polar vortex, an area of cold ... Washington DC and Delaware due to take the brunt. Washington DC is bracing ...