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.

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 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.

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

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 ...

A polar vortex dipping down from Siberia will bring a cold front with frigid temperatures to nearly 300 million Americans. See maps of the arctic blast.

A new blast of Arctic air sweeping from north to south will bring bone-chilling temperatures to millions of Americans this weekend and next week.

This will be due to a polar vortex, an area of strong winds that encircle the Arctic and typically keeps the coldest air locked near the Pole, according to the FOX Forecast Center. This weekend ...

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?

Shoppers gather last-minute snow essentials, from ice melt to comfort foods, ahead of the winter storm on Sunday. TikTok has been officially shut down in the U.S. The future of the app in the U.S. is up to incoming President-elect Trump's administration.