Arctic winds from a powerful polar vortex are sweeping across several states, bringing dangerously cold temperatures and severe weather conditions. It comes as the U.S. is potentially set to see its ...

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 Earth's polar vortex is stirring up, bringing the first hints at changing weather as fall descends on the U.S. This movement means gradual cooling and a more active storm track across the northern ...

The polar vortex, a mass of cold air over the Arctic, is beginning its seasonal strengthening. A strong polar vortex typically keeps the coldest air locked near the North Pole. A weaker or wobbling ...

Back-to-back cold blasts will last throughout much of January. Multiple rounds of frigid, arctic air could sweep across the eastern half of U.S. in the coming weeks, ushering in an abnormally cold ...

The polar vortex is stirring up, bringing the earliest hints that the weather is changing as autumn has officially arrived. In the short term, this means gradual cool-downs and a more active storm ...

Most of the holidays may be over, but winter is sticking around — and it's bringing freezing weather to Texas next week. A polar vortex, a weather pattern similar to the historic winter storm that ...

Summer may end on a cooler note for parts of the U.S., with meteorologists suggesting that a weakened polar vortex could usher in below-average temperatures as September begins. In contrast to earlier ...