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

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

With the Northern Hemisphere well into the winter months, it may seem like temperatures are cold enough already. However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is ...

Metro Vancouverites may face unseasonably cold weather as February continues thanks to the stratospheric polar vortex.

The FOX Forecast Center said a lobe of the polar vortex will dip to the south and ... will see temperatures drop below freezing. The deep chill will be felt as far as the Deep South, with only ...

A major cold blast is in store for more than 30 states as a widespread arctic air outbreak will send nearly every American east of the Rockies into a deep freeze. This will be due to a polar vortex, ...

(Mark Blinch/The Canadian Press - image credit) A polar vortex will plunge the GTA into a deep freeze until Wednesday, Environment Canada says. "Be prepared for very cold conditions. Temperatures ...

However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is bringing an even harsher arctic blast to million Americans this week. Maps show what to expect as the cold front ...

A polar vortex will plunge Waterloo region, Guelph and Wellington County into a deep freeze until Wednesday, Environment Canada says. On Monday morning, the federal weather agency issued an ...

However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is about to bring even harsher, frigid temperatures to nearly 300 million Americans starting this weekend. The polar ...

Abnormal weather events and severe winter storms could be caused by a disrupted polar vortex. Find out here how the polar ...