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

A weakened jet stream within the polar vortex allows frigid air from the Artic to move further south than usual. Presley Bo Tyler is a reporter for the Louisiana Deep South Connect Team.

Heavy snow is expected on Sunday in the Northeast before the coldest air in several years descends across much of the country starting on Monday, forecasters warned.

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

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

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

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.

NORFOLK, Va. — 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 ...