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

As overnight temperatures dip into the teens and 20s this week, Gov. Dan McKee’s administration on Monday night opened two ...

A polar vortex is currently hitting the United States, with schools closed in many areas and at least four deaths caused by ...

Temperatures plunged into the teens and single digits in some spots, and the snow-dusted winds are driving the wind chill ...

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

If you're braving the cold during the polar vortex that's skating across much of the US right now, you're probably looking ...

Much of the U.S. is being blasted by ice, snow and wind, as the polar vortex that dipped south over the weekend is keeping an ...

Portland was forecasted to be about 6 degrees below normal Sunday and Monday, according to the National Weather Service.