The polar vortex is weakening, which means New England is in for a colder than usual December, with episodic cold snaps. Every year around this time, that phrase — “polar vortex” — starts to buzz ...

January is shaping up to be the coldest in a decade as the polar vortex dips south across the eastern half of the United States — shocking a nation that has enjoyed an unusually balmy end of the year.

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 ...

NORFOLK, Va. — Have you ever wondered why some winters are mild while others bring freezing temperatures and snowstorms? One of the key players in these dramatic shifts is something called the polar ...