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A polar vortex dipping down from Siberia will bring a cold front with frigid temperatures to nearly 300 million Americans.

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

The intense cold snap about to settle over most of Canada and the U.S. has been dubbed a “polar vortex’, but Environment ...

Parts of Mississippi can expect snow, below-freezing temperatures, lows in the teens next week. Know how to prep your home, ...

The polar vortex will soon elongate over North America with a dangerous cold moving into sections of Canada and the U.S.

The most unusually cold air in the Northern Hemisphere will be over the United States early next week, bringing dangerously ...

A recent study explains how warmer temperatures at the top of the planet destabilize the jet stream and allow colder air to ...

The NWS has issued the warnings as a powerful polar vortex continues to make temperatures plunge nationwide this week.

The polar vortex of ultra-cold air usually spins around the North Pole, but it sometimes ventures south into the U.S., Europe ...

An area stretching from Texas to Tennessee braced Wednesday for the possible arrival of freezing rain and snow even as some ...