Be careful if you go to the United States, you could be faced with extreme temperatures. The National Weather Service (NWS) ...

A huge swath of the United States was blasted with ice, snow, and wind on Monday as the polar vortex that dipped south over ...

Forecasts indicate that the Arctic polar vortex will deliver frigid winds across large portions of the U.S. in the new year.

The cold is expected to persist throughout January, with relief coming once February rolls around. Such plunges occur when ...

Storm Blair is expected to move through Ohio on Sunday, bringing snow and sleet accumulations of between 5 and 9 inches on ...

Some 60 million people are under weather alerts across 30 states. Seven of them have declared emergencies: Maryland, Virginia ...

AccuWeather forecast that the state's "RealFeel" temperature could be as cold as between 10-20 degrees from January 8-10.

The polar vortex of ultra-cold air usually stays penned up around the North Pole, spinning like a top. But sometimes it escapes or stretches down to the United States, Europe or Asia — and that’s when ...

Temperatures are dropping in Texas on New Year's Eve ahead of next week's polar vortex, which will bring snowfall to much of ...

The rain that pummeled the northeast on New Year's Eve is just a beginning of things to come as New York faces up to 3 feet ...

We're tracking a 'polar vortex,' and it's expected to have an impact on a big part of the United States, including Texas.

A polar vortex with the potential to damage Florida's seasonal citrus crop is expected to descend on the state next week -- ...