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

State Climatologist Jay Grymes said there could be lows of 20 degrees across the state between Monday and Wednesday and the National Weather Service (NWS) has said Baton Rouge could see its first snowfall in seven years. Newsweek has contacted the Louisiana Governor's Office of Homeland Security and Emergency Preparedness for comment.

It's looking very likely that very cold air will drop into Southeast Louisiana and New Orleans next week along with chances of snow or a wintry mix. A Winter Storm Watch is in effect for late Monday and Tuesday.

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.

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

Tens of millions of people were bracing Sunday for a massive winter storm forecast to bring the heaviest snowfall and coldest temperatures in over a decade to parts of the country.

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.

The plunging polar vortex is bringing subfreezing temperatures to some of the southernmost points of the U.S. A forming storm system is threatening to dump snow on parts of Texas

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 ...

Arctic air is expected to bring sub-freezing temperatures to Texas and Louisiana, according to freeze warnings issued by the National Weather Service (NWS). Newsweek has reached out to Louisiana Governor Jeff Landry's press team and Texas Governor Greg Abbott's communications director via email on Sunday.

The plunging polar vortex is bringing subfreezing temperatures to some of the southernmost points of the U.S. A forming storm system is threatening to dump snow on parts of Texas

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