Officials canceled the parade because of the freezing temperatures expected to blast the Baltimore area in the days ahead.

The polar vortex will extend into the metro St. Louis area Saturday bringing several days of temperatures plunging to single digits and wind chills below zero.

The polar vortex is a ring of cold air that typically circles the Arctic. A strong jet stream essentially acts like a fence, ...

VIRGINIA BEACH, Va. — Looking ahead to next week, a major arctic blast is expected to settle into Hampton Roads and ...

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

The next round of bitter cold was set to envelop the southern U.S. on Tuesday, after the first significant winter storm of ...

The polar vortex of ultra-cold air usually spins around the North Pole, but it sometimes plunges southward into the U.S., Europe and Asia. Studies show that a fast-warming Arctic is partly to blame ...

“Winter returned,” said Bob Oravec, lead forecaster at the National Weather Service in College Park, Maryland. The polar vortex of ultra-cold air usually stays penned up around the North ...

Road conditions were deteriorating Saturday in the central U.S. as a winter storm brought a mix of snow, ice and plunging ...

There is a chance in some places of at least 8 inches of snow, freezing rain and a hard freeze as far south as Florida ...

Winter might be well underway, but a polar vortex is expected to impact much of the country including Texas, with forecasts predicting possible snowfall in the Lonestar State. With a potent cold ...