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

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 ...

The most unusually cold air in the Northern Hemisphere will be over the United States early next week, bringing dangerously ...

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

This cold was certainly extraordinary, but the polar vortex event of January 2019 brought life in the northern and central United States to a frozen halt. At that time in our area, the coldest actual ...

Millions of people across the U.S. will experience subzero or below-average temperatures in the coming days as a polar vortex coming from Siberia will usher in a new cold front. The Rockies ...

It looks like it could get even colder heading into next week. Within the last decade, the phrase 'polar vortex' has become popularized in the weather world. In fact, you may have heard it getting ...

But during the winter, it is joined by a second atmospheric phenomenon dubbed the polar vortex. This swirl of frigid air, located more than 10 miles above Earth’s surface, strengthens each year ...

Answers as to why these strange temperatures and weather events are prevalent may be found in the polar vortex. The polar vortex is a large area of low pressure and cold air surrounding both of ...

Much of the country is in for widespread and dangerously cold temperatures beginning this weekend — and lasting through much of next week — as a lobe of the polar vortex over northern ...

A recent study explains how warmer temperatures at the top of the planet destabilize the jet stream and allow colder air to ...

The polar vortex will soon elongate over North America with a dangerous cold moving into sections of Canada and the U.S.