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 ...

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 ...

A polar vortex is currently hitting the United States, with schools closed in many areas and at least four deaths caused by ...

Most of the country will likely be hit by an arctic blast this weekend into early next week as the polar vortex ushers in cold air from Siberia and multiple storms roll in and bring the potential ...

But during the winter, it is joined by a second atmospheric phenomenon dubbed the polar vortex. This swirl of frigid air, located more than 10 miles above Earth’s surface, strengthens each year ...

Answers as to why these strange temperatures and weather events are prevalent may be found in the polar vortex. The polar vortex is a large area of low pressure and cold air surrounding both of ...