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

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

According to the National Weather Service, a polar vortex will impact most of the country this weekend, here is what you need ...

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

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

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 ...

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

A winter storm sweeping through the U.S. South on Tuesday was dumping snow at levels millions of residents haven’t seen ...

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

Here's the latest on the winter storm. A historic winter storm is poised to produce potentially record-breaking snows from ...

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