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

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

The United States continued to freeze through a polar vortex that brought rare cold to the southern United States and chances ...

The polar vortex of ultra-cold air usually spins around the North Pole, but it sometimes ventures south into the U.S., Europe ...

Houston has been experiencing below-average temperatures as a polar vortex ushers in cooler conditions across the state.

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 ...