While the term "polar vortex" might seem like a new phenomenon, the phrase has only recently become popularized in weather forecasts, especially when it reaches into the southern plains states like ...

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

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 ...

DES MOINES, Iowa The plunging polar vortex brought subfreezing temperatures Tuesday to some of the southernmost points of the U.S., threatening to dump snow on parts of Texas and Oklahoma in the ...

as some other parts of the country that already received an arctic blast this week prepared to go another round with the plunging polar vortex. Arkansas' capital, Little Rock, closed schools on ...

The temperature is predicted to be around 22 degrees during the swearing-in, the coldest since Ronald Reagan’s second inauguration.

MINNEAPOLIS, Minnesota — Our entire region is under an Extreme Cold Weather Warning until 12 p.m. Tuesday; wind chills could fall as low as -45 degrees. This Arctic blast is thanks to a polar vortex.

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 ...

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 ...

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 ...