After weeks of bitter subzero temperatures, the Polar Vortex loosens its grip on Upstate New York. Far more tenacious and ...

Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...

The wild January weather across the US is expected to continue this week with forecasts for heavy rain in southern states, after a surge of Arctic air that spilled southward and delivered rare record ...

A blast of arctic air from Canada has brought the season's coldest weather to most of the United States. The system, known as ...

A polar vortex is plunging the GTA into a deep freeze this week, with Tuesday shaping up to be the coldest day of winter. CBC ...

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Temperatures are expected to drop throughout southern Ontario, including Waterloo region, Guelph and Wellington County, throughout the day Saturday as a polar vortex moves down into the area.

A polar vortex is slated to sweep most of the continental United States bringing a hazardous freeze to millions of Americans from the Deep South to the Northeast Saturday going into next week. The ...

The weather spell is being referred to as a polar vortex, but Mahdavi said that's a bit of a misnomer for what's happening: the term "polar vortex" describes a massive cyclone of air that is ...

A polar vortex that will bring in extremely and dangerously cold temperatures and wind chills to the metro St. Louis area starting Sunday and into Wednesday. By Monday morning some overnight lows ...

Global News meteorologist Anthony Farnell said the chilly temperatures, caused by a polar vortex spinning across Canada, will “overwhelm” and will start this weekend and carry into next week.

But despite the bitter cold, this weather event is not a polar vortex. "This is not so much a polar vortex for us because the vortex is holding up over Canada," David Barjenbruch, meteorologist at ...