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

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 ...

Americans have been warned to brace for more winter storms as Arctic winds are set to dump more ice and snow amid freezing temperatures.

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 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 polar vortex is a low-pressure system of cold air that swirls above Earth’s poles. There’s one over the South Pole in ...