The plunging polar vortex is bringing subfreezing temperatures to some of the southernmost points of the U.S. A forming storm ...

The first bitterly cold front to reach Oklahoma this winter will bring overnight temperatures below 20 degrees.

An area stretching from Texas to Tennessee braced Wednesday for the possible arrival of freezing rain and snow even as some ...

Cold air from the arctic sometimes dips southward across the American plains. What to know about the polar vortex.

A polar vortex is currently hitting the United States, with schools closed in many areas and at least four deaths caused by treacherous conditions.

The polar vortex has led to freezing temperatures, snowfall, and hazardous road conditions across large regions of the South, ...

especially when it reaches into the southern plains states like Oklahoma and Texas. Depending on the severity of the polar vortex's disruption, states that normally have mild winters can ...