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.

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 dangerous and potentially life-threatening stretch of cold weather has much of the U.S. on alert as a lobe of the polar vortex invades ... with cities from Texas to Florida under Winter ...

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 ...

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

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