Louisiana is forecasted to have a potential winter storm bringing a surge of cold air late Sunday into early next week. Winter has Metro Detroit in a tight grip today, with bitter cold and snow dominating the forecast. And there's even more winter weather in the forecast this week.

Temperatures plunged into the teens and single digits in some spots, and the snow-dusted winds are driving the wind chill below zero. The polar vortex, a swirling mass of Arctic air typically contained over the North Pole, has pushed south, driving bone-chilling temperatures into the eastern United States.

The storm, which will hit the Delmarva Peninsula and Pennsylvania and New Jersey on Friday night into Saturday, is expected to bring 1-3 inches of snow to Sussex County, the National Weather Service said Friday morning. Kent and New Castle counties may see 1-2 inches and less than 1 inch, respectively.

Winter weather is aiming at Delaware again. Where the snow will hit is the biggest question. Here's what we know.

The AccuWeather forecast map, shared with Newsweek, showed that states from the Central and Southern U.S. to the East Coast can expect to see snowfall through Friday night. The states in the forecast include Tennessee, West Virginia, Arkansas, Oklahoma, Illinois, Indiana, Ohio, Kentucky, Virginia, North Carolina and Pennsylvania.

WASHINGTON — A huge swath of the U.S. was blasted with ice, snow and wind on Monday as the polar vortex that dipped south over the weekend kept much of the country east of the Rockies in its ...

The polar vortex is a low-pressure system of cold air that swirls above Earth’s poles. There’s one over the South Pole in Antarctica – but for this story, we’ll be focusing on the one above the North Pole. Over the North Pole, the wind flows counterclockwise in the stratosphere around 16 to 50 kilometers (10-30 miles) high.

Monday's snowstorm hit southern Delaware the hardest, prompting days of closures and delays for schools and businesses. A polar vortex − a swirling mass of Arctic air typically contained over ...

According to the National Weather Service, a polar vortex will impact most of the country this weekend, here is what you need to know.

A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to millions.

However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is about to bring even harsher arctic blast to nearly 300 million Americans starting this weekend. Maps show where and when the cold front will arrive.

A disruption in the polar vortex is about to send an Arctic air mass from Siberia as far south as Florida. Yes, Siberia—and it’s as dramatic as it sounds. As many as 47 states will experience unseasonably cold temperatures. Some areas will be hit with dangerous wind chills as low as 40 below zero.