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.

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.

People in Texas and much of the U.S. South are facing record snowfalls and icy conditions, with both New Orleans and Houston ...

Snow and ice will develop in Texas and Louisiana Monday night before ... Life-threatening' cold temperatures generated by a polar vortex will be fueling Winter Storm Enzo, bringing potentially ...

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 ...

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