Just how cold did it get on Wednesday? Here's a look at which communities measured the most frigid temperatures.

Frigid air that normally stays trapped in the Arctic has escaped, plunging deep into the United States for an extended visit ...

Part of Mississippi under extreme cold warning after winter storm dropped snow across the Gulf Coast. When will temperatures ...

Most of Maryland is under a cold weather advisory from the National Weather Service through Thursday as temperatures plummet ...

This cold was certainly extraordinary, but the polar vortex event of January 2019 brought life in the northern and central United States to a frozen halt. At that time in our area, the coldest actual ...

Nearly all of Michigan received an extreme cold warning yesterday. A surge of arctic air known as the polar vortex is the cause behind this abnormally cold weather. According to the National Weather ...

A winter storm sweeping through the U.S. South on Tuesday was dumping snow at levels millions of residents haven’t seen ...

Most of Maryland is under a cold weather advisory through Thursday as temperatures plummet into the single digits in the region in the wake of the weekend snow. The National Weather Service, which ...

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 ...

Residents across the country from the Northern Plains to the tip of Maine are bracing for dangerously low temperatures as tens of millions of residents along the East Coast contend ...