The United States is currently experiencing an intense cold front linked to the so-called Arctic “polar vortex”.  The icy air that has particularly affected the central and eastern United States is now descending as far as the Gulf Coast.

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the South.

A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to millions.

As the West Coast braces for fiery winds and the Northeast shivers under a polar vortex, the nation finds itself caught between two extreme weather fronts.

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of the arctic blast.

A rare winter storm is getting set to slam the Gulf Coast and South, with cities from Texas to Florida under Winter Storm Warnings.

A winter storm that is expected to begin in Texas next week could end up bringing snow and ice to parts of Florida.

The unseasonable chill that has swept through the eastern half of the US defies last year's mild winters and the South's typical warmth.

Unprecedented snowfall hits the U.S. South. Discover how this winter storm is setting new records and causing rare blizzard conditions.

Louisiana isn’t known for extreme cold weather—but that changed Tuesday, when the National Weather Service issued its first-ever blizzard warning for much of the state.

The first-ever blizzard warnings were issued near the Texas-Louisiana border Tuesday as Winter Storm Enzo blew through, bringing an estimated five inches of snow to areas in Alabama, Mississippi, Louisiana and Texas.