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 ...

Arctic air has brought chilling temperatures as low as 12 degrees in New York City on Monday night but are we in a polar ...

New York’s being hit by an arctic polar vortex, making temperatures drop hard overnight after a snow storm hit on Sunday.

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

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

In Indiana, around zero degrees was likely, the map showed, with temperatures of around three degrees possible in Northern ...

A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to ...

According to the National Weather Service, a polar vortex will impact most of the country this weekend, here is what you need ...

Nearly all of Michigan received an extreme cold warning yesterday. A surge of arctic air known as the polar vortex is the cause behind this abnormally cold weather. According to the National Weather ...

Arctic air moved south, into the area starting late last week and has lingering since. This has lead to dangerously cold ...