Every few years or so, a dip in the jet stream allows this cold air to sink into the U.S. The last few visits from the polar vortex occurred in 2021, 2019, and 2014.

A brutal polar vortex is set to bury the Big Apple in snow Sunday and then deliver deadly single-digit temperatures that will ...

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

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

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

According to the National Weather Service, a polar vortex will impact most of the country this weekend, here is what you need ...

The polar vortex is expected to reach the Utah-Idaho border sometime in the late afternoon and evening Friday as it continues ...

The polar vortex is a ring of cold air that typically circles the Arctic. A strong jet stream essentially acts like a fence, ...

A blast of Arctic air is set to cover much of the United States with temperatures below freezing starting on Friday and into ...

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

The young boy wore a suit and bow tie to his stepfather’s funeral on Saturday, where he demanded a handkerchief and wiped ...

In a rare happening, the King holiday falls on the same day as the presidential inauguration. Activists vow to continue the ...