A huge swath of the United States was blasted with ice, snow, and wind on Monday as the polar vortex that dipped south over ...

Be careful if you go to the United States, you could be faced with extreme temperatures. The National Weather Service (NWS) ...

The polar vortex has triggered freeze warnings and advisories across Texas, threatening human safety and infrastructure.

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?

Frigid air that normally stays trapped in the Arctic has escaped, plunging deep into the United States for an extended visit ...

The polar vortex has plunged much of the US into freezing conditions, causing widespread chaos. Heavy snow, ice, and wind led ...

Parts of all states in the lower 48 woke up to subfreezing temperatures Tuesday due to a weather pattern that will keep ...

The polar vortex is a low-pressure system of cold air that swirls above Earth’s poles. There’s one over the South Pole in ...

The plunging polar vortex is bringing subfreezing temperatures to some of the southernmost points of the U.S. A forming storm ...

A polar vortex unleashed snow, ice, and freezing temperatures across the U.S., disrupting travel, closing schools, and ...

Governors from Maryland, Missouri, Arkansas, Kansas, Virginia, West Virginia and Kentucky have declared a state of emergency ...