In an early sign of the winter weather that's coming, the dreaded polar vortex is making news yet again. The polar vortex is "ramping up from its summer slumber," said meteorologist Judah Cohen in an ...

The phrase "polar vortex" has captured public attention and is now often misused to describe short-term bouts of frigid ...

Because this is the Polar Vortex Blog, we would love to be able to tell you how the stratospheric polar vortex is doing super cool things that can explain how cold and snowy it’s been in many parts of ...

Indiana can expect dry temperatures around the state at the beginning of October. Although fall kicked off earlier this week, it'll be a little while before we are affected by a polar vortex. Hoosiers ...

The frigid stream of air that plunged down into the Central U.S. this week is breaking cold records from South Dakota to ...

The U.S. is experiencing record-breaking cold and heavy snow this week as another winter storm sweeps across several central ...