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

It's like "bomb cyclone" or "firenado." It seems like the sort of phenomenon that would be responsible for the ...

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

Houston has been experiencing below-average temperatures as a polar vortex ushers in cooler conditions across the state.

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

A mass of air called the polar vortex has escaped the Arctic and plunged southward. Some scientists see the fingerprints of climate change.

As snow begins to cover the Texas Panhandle amid the polar vortex, here's what the state can expect as weather conditions ...

A blast of Arctic air is set to cover much of the United States with temperatures below freezing starting on Friday and into ...

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

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

Part of Mississippi under extreme cold warning after winter storm dropped snow across the Gulf Coast. When will temperatures ...

As a slug of polar vortex-fueled arctic air overtakes the eastern two-thirds of the U.S. next week, a storm system could ...