Winter is making its presence known in New York City, as the polar vortex is bringing brutally cold temperatures to the ...

The cold will pose a danger to pipes, so be sure to cover exterior pipes, open cabinets with pipes so warm air can circulate, ...

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

Saturday morning, the arctic front pushed through the region. While it may not feel super cold yet, trust us, it's on its way ...

as some other parts of the country that already received an arctic blast this week prepared to go another round with the plunging polar vortex. Arkansas' capital, Little Rock, closed schools on ...

The polar vortex of ultra-cold air usually spins around ... communities in Texas, Oklahoma and Arkansas were preparing for their own helping. A low-pressure system was expected to form as soon ...

The polar vortex's blast of Arctic air from Canada brought the season's coldest weather to the majority of U.S. The vortex is ...

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

A brutal polar vortex is set to bury the Big Apple in snow Sunday and then deliver deadly single-digit temperatures that will feel like 15 degrees below zero. New York City could get up to 6 inche ...

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

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 ...

This will be due to a polar vortex, an area of strong winds that encircle the Arctic and typically keeps the coldest air locked near the Pole, according to the FOX Forecast Center. This weekend ...