It's like "bomb cyclone" or "firenado." It seems like the sort of phenomenon that would be responsible for the ...

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

Frigid temperatures are keeping snow on the ground in parts of the South as some cities in the North report dangerously low ...

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the ...

In Indiana, around zero degrees was likely, the map showed, with temperatures of around three degrees possible in Northern ...

As a lifelong New Yorker, you'd think I'd be prepared whenever a polar vortex makes an unexpected appearance each winter. I'm ...

Arctic air has brought chilling temperatures as low as 12 degrees in New York City on Monday night but are we in a polar ...

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

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

Are you ready for the coming arctic storm? Here’s the latest Colorado weather forecast and everything else you need to know ...

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

C with the windchill but the worst is likely over. Environment Canada lifted its extreme cold warning with mid-day ...