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.

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

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 good news is that forecasted snow totals are only in the 1-3 inch range. The National Weather Service in Mount Holly, New Jersey, is calling for 1 to 3 inches of snow throughout the state. AccuWeather.

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.

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.

Parts of all states in the lower 48 woke up to subfreezing temperatures Tuesday due to a weather pattern that will keep arctic air in place across the eastern half of the country at least until ...

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 ...

Such cold air blasts have become known as the polar vortex. It's a long-established weather term that's become mainstream as its technical meaning changed a bit on the way. What it really means to ...

Thanks to the polar vortex, it feels like one, too. The Philadelphia region was hammered Monday by the season’s first big storm, with some areas in Delaware and the lower Jersey Shore ...

A lobe of the polar vortex, a stormy ring that typically keeps the coldest air locked up near the North Pole, will dip southward into the United States this weekend into next week. Polar air ...

It looks like it could get even colder heading into next week. Within the last decade, the phrase 'polar vortex' has become popularized in the weather world. In fact, you may have heard it getting ...