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

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

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

Like much of the U.S., Wisconsinites woke up Tuesday morning to bitter cold conditions. Many schools and colleges throughout ...

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

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

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

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

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

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

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

The unseasonable chill that has swept through the eastern half of the US defies last year's mild winters and the South's ...