As the polar vortex begins to retreat, the region will see a gradual return to typical winter conditions. Long-range ...

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

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 ...

One of the key players in these dramatic shifts is something called the polar vortex. The polar vortex is a massive area of cold air located high in the atmosphere, typically spinning over the ...

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

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

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 ...

A dangerous and potentially life-threatening stretch of cold weather has much of the U.S. on alert as a lobe of the polar ...

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