A polar vortex will plunge Colorado into bitter, sub-zero cold this weekend and could bring up to 10 inches of snow in some ...

The cold will pose a danger to pipes, so be sure to cover exterior pipes, open cabinets with pipes so warm air can circulate, ...

A new blast of Arctic air sweeping from north to south will bring bone-chilling temperatures to millions of Americans this ...

as some other parts of the country that already received an arctic blast this week prepared to go another round with the plunging polar vortex. Arkansas' capital, Little Rock, closed schools on ...

A polar vortex dipping down from Siberia will bring a cold front with frigid temperatures to nearly 300 million Americans.

These severe cold events occur when the polar jet stream – the familiar jet stream of winter that runs along the boundary ...

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

After a strong cold front comes through this Saturday, we could see temperatures 20 degrees colder than normal. Why is that, ...

One of the key players in these dramatic shifts is something called the polar vortex. The polar vortex is a massive area of cold air located high in the atmosphere, typically spinning over the ...

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

Answers as to why these strange temperatures and weather events are prevalent may be found in the polar vortex. The polar vortex is a large area of low pressure and cold air surrounding both of ...