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

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

I’ve been convinced that we are about to experience a very serious and dangerous weather episode,” Houston Mayor John ...

Major winter storm brings heavy snow to East Coast as Arctic blast puts millions under warnings from Plains to Maine ...

Snow and winds are likely to disrupt traffic, trigger flight cancellations, and cause headaches for people traveling to D.C.

A series of cold fronts the last few weeks has kept Florida downright chilly, as another winter storm starts to take aim this ...

A mass of air called the polar vortex has escaped the Arctic and plunged southward. Some scientists see the fingerprints of climate change.

The coldest temperatures of the winter season are still ahead. A new arctic blast of polar air is predicted to push down into ...

Bitter Arctic air plunged more than half the United States into a deep freeze yesterday, including New Orleans, where the ...

As an Arctic blast brings wind chills that could reach -20 degrees in West Michigan, it’s important to keep your pets safe ...

A series of disturbances in the atmosphere is sending the polar vortex south (again) next week with a burst of even colder ...