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.

The National Weather Service in Mount Holly, New Jersey, is calling for 1 to 3 inches of snow throughout the state. AccuWeather.com's latest update has the winter storm moving through the region quickly on Saturday and dropping 1-3 inches on the area with the most snow falling in central and southern Delaware.

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.

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 ...

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 ...

Most of the U.s. enjoyed warmer air to end the workweek, but the warmup will be brief as a polar vortex will send temperatures tumbling below freezing for most of the nation starting this weekend.

Most of the US will enjoy milder temperatures on Thursday, but the warmup will be brief as a polar vortex will send temperatures tumbling below freezing for most of the nation starting this ...

The mere mention of the term "polar vortex" can set your head spinning (and maybe eyes rolling). It’s got to be clickbait, right? Or maybe someone dreamed up the name for views? Is it a storm?

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.

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.

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.