Wind chill values are expected to drop below 10 degrees, with some locations seeing wind chills closer to zero. Forecasters ...

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 ...

NORFOLK, Va. (AP) — A developing winter storm threatens to drop snow, sleet and freezing rain on parts of Texas, Oklahoma and ...

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

The mere mention of the term "polar vortex" can set your head spinning (and maybe eyes rolling). It’s got to be clickbait, right? Or maybe someone dreamed up the name for views? Is it a storm?

Winter isn’t over yet! A polar vortex is bringing subzero winds, frigid temperatures, and possibly snow to the U.S., ...

The polar vortex of ultra-cold air usually spins around the North Pole, but it sometimes plunges south into the US, Europe and Asia.

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

The polar vortex of ultra-cold air usually spins around ... Up to 5 inches is expected farther north near the Oklahoma state line, the weather service said. Mark Reid said Wednesday that he ...