Add Yahoo as a preferred source to see more of our stories on Google. The polar vortex will engulf much of North America as we head into next week, with temperatures dipping down into the -20s and ...

Add Yahoo as a preferred source to see more of our stories on Google. In an early sign of the winter weather that's coming, the dreaded polar vortex is making news yet again. The polar vortex is ...

In 2014, the term “polar vortex” burst on the scene across Canada and the U.S. as temperatures plunged. In some places, it was colder than it was on Mars. Well, get ready to hear more about it.

HOUSTON, Texas (KTRK) -- Last week, the city of Houston and much of southeast Texas received record snowfall during a rare Gulf Coast snowstorm. With this being the second time temperatures dipped ...

The next step upward to spring weather is showing in the extended forecast. This week and much of next week look and feel more like winter than spring. The second week in March should have the driver ...

Every winter, millions of people brace for news about the polar vortex - that vast, spinning mass of frigid Arctic air high in the stratosphere that occasionally escapes its usual boundaries and ...

You’ve almost certainly heard of the polar vortex. But what about "sudden stratospheric warming," a weather term that’s started making the rounds on social media? They’re related to one another, and ...

Nearly all of New England has seen its share of frigid cold days and record mountain snow so far this November — and looking ahead, we’re about to get hit with another blast of Arctic air from a ...