Every winter, millions of people brace for news about the polar vortex - that vast, spinning mass of frigid Arctic air high ...

Don’t pack away the winter coat just yet. A polar vortex split could bring one last stretch of cold to the D.C. region before ...

The United States is getting slammed by a stretch of weather extremes, from flooding rain to record heat and late-season snow ...

Winter weather is back in the East, but the extended forecast has some good news for milder weather later in March.

Folks in the central and eastern United States may be wondering: Is winter on the way out? Here's what meteorologists say.

Welcome to 'false spring,' New York! A polar vortex split could bring bitter cold back to NY, but how cold will it get and ...

While all the warmth of the past few days may make it feel like spring is in full effect, forecasters are saying otherwise.

The polar vortex is a large area of cold, spinning air that sits near the North Pole and exists year-round. When it weakens or shifts, Arctic air can spill south, increasing the risk of snow and ...

As we approach the end of March, many people may be getting ready for shorts season, but a split in the Polar Vortex could ...

The tropical Pacific Ocean and the frozen expanse of Antarctica sit more than 10,000 kilometers apart. Yet new research shows ...