Some of the coldest air in years is expected to plunge into the High Plains, Midwest and finally the East in the coming days as arctic air dips down into the Lower 48 for a spell. The mere mention of ...

It's a term you hear every couple of winters, when we get stuck in the coldest of cold patterns – polar vortex. But what exactly is it and how does it impact our weather? The polar vortex is like a ...

In yet another sign that winter weather is either here or will be soon, the dreaded polar vortex is making news yet again. Its potential arrival in the United States over the next few weeks is cause ...

Much of the country will be hit with extreme low temperatures over the next week as a polar vortex sends cold air down from the North Pole. Real feel temperatures throughout the northeast, including ...

LANSING, Mich. (WLNS) — You probably are not a fan of the roller coaster temperatures over the past few weeks and might equate it being “January in Michigan” but there is actually a scientific name ...

Chicagoans are no strangers to cold weather, but some of the terminology used to describe frigid conditions can be confusing. That’s why experts from the National Weather Service’s Chicago office — ...

Bitter cold is expected across much of the U.S. this weekend. But what do headlines mean when they say a "polar vortex cold snap" is on the way? The polar vortex is a regular feature of Earth's polar ...

With the winter on the horizon and the onset of colder temperatures drawing near, U.S. residents may question just how chilly it could become in the states this season. One factor that plays a role in ...

The Northeast is plunging into a deep freeze. Here’s what scientists know, and don’t know, about the role of rapid Arctic warming. Average temperature forecast for Feb. 3-5 95°F -50°F 32°F The polar ...