Louisiana is forecasted to have a potential winter storm bringing a surge of cold air late Sunday into early next week.

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 ...

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

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 National Weather Service in Mount Holly, New Jersey, is calling for 1 to 3 inches of snow throughout the state.

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 ...

Temperatures plunged into the teens and single digits in some spots, and the snow-dusted winds are driving the wind chill ...

The temperature is predicted to be around 22 degrees during the swearing-in, the coldest since Ronald Reagan’s second ...