A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the ...

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

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

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

SCRANTON, Pa. — People will be freezin for a reason this weekend at Montage Mountain Resorts. The Northeast Polar Plunge is in its second year and hundreds of people will jump into this pool.

Winter is making its presence known in New York City, as the polar vortex is bringing brutally cold temperatures to the ...

A blast of Arctic air is set to cover much of the United States with temperatures below freezing starting on Friday and into ...

January is shaping up to be the coldest in a decade as the polar vortex dips south across the eastern half of the United States — shocking a nation that has enjoyed an unusually balmy end of the ...

When there are disturbances in which the Jet Stream weakens, it can become wobbly. This allows the cold air to plunge southwards. A disrupted polar vortex does not happen every year. Very much so what ...

The National Weather Service has advised the public to check the forecast for their area on weather.gov to ensure they are dressed appropriately. The agency said that while there is no cause to be ...