The FOX Forecast Center said a lobe of the polar vortex will dip to the south ... with only South Florida escaping the icy grip of the arctic blast. More than 300 million Americans will experience ...

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 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 forecast to bring subzero temperatures to the ...

A ‘dangerous, damaging and destructive’ Polar blast threatens the coldest January freeze for almost 15 years. ‘Brutal’ Arctic winds sweeping 3,000 miles across the United States will ...

It's about to get very, very cold for lots of Americans. A series of blasts of polar vortex air from the north will bring subfreezing temperatures as well as ice and snowstorms to 40 US states ...

It’s also possible that with the third cold surge, a frigid lobe of the polar vortex ... is bracing for a blast of Arctic air that will send temperatures plummeting this week and dropping ...

That would mean another arctic blast and a return of widespread snow. “I think in the time frame of the second week of February and even possibly mid-February a stretched polar vortex is ...

Experts say a disruption of the polar vortex could unleash cold, stormy conditions to the eastern United States around mid-March. There are lots of variables at play complicating the forecast ...

Extreme cold and snow smacked the Gulf Coast states this week, but the polar vortex may not be to blame. Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET.

A strong cold front with a frigid airmass originating in Antarctica is tracking towards southeastern Australia. The freezing ...