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 ...

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

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

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

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

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.

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

Nearly 300M Americans face an arctic blast with sub-zero wind chills, heavy snow, and record-low temperatures ahead ...

The polar vortex of ultra-cold air usually spins around ... store as he loaded his fourth order of the day into his car. Texas Gov. Greg Abbott said Wednesday that the state had deployed several ...