DC swings from a warm 50 weekend to a cold start to the week, with highs in the 30s and a wintry mix as the polar vortex and ...

For millions of people living in the central and eastern United States, it’s suddenly going to feel like spring — or even summer — later this week into next.

WASHINGTON - All eyes are on this weekend's potential snow and if we're expecting to get some accumulating snow. What we know Models continue to signal a healthy storm riding along the cold air ...

A rare and disruptive atmospheric event may soon unfold, raising the prospect of significant weather shifts across the U.S.

Bitingly cold Arctic air keeps pummeling the U.S. with ruthless cold snaps—despite warming winters nationwide. A study explains why: the solution lies far above your head, in the upper atmosphere ...

The infamous weather pattern is actually partly influencing our weather as February ends. And it may again throughout the month of March.

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 ...