Abnormal weather events and severe winter storms could be caused by a disrupted polar vortex. Find out here how the polar ...

Authorities in Louisiana have warned people to prepare for extreme cold in the coming days, and a map by Newsweek shows where ...

Very cold arctic air will interact with several systems to bring chances of freezing rain, sleet, and snow ...

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

Some areas of the U.S. may see temperatures as low as -20 or -30 degrees early next week as arctic air from Siberia rolls in.

Arctic air is expected to bring sub-freezing temperatures to Texas and Louisiana, according to freeze warnings issued by the ...

The Polar Vortex Readies to Dump Snow on Texas and ... with the heaviest amounts likely in parts of Arkansas, Louisiana, Mississippi, Oklahoma and Texas, according to the National Weather Service.

DES MOINES, Iowa (AP) — 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 ...

The polar vortex of ultra-cold air usually spins around ... More than 50,000 customers were without power on Wednesday in Indiana, Kentucky, Louisiana, Virginia and West Virginia, according ...