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

The plunging polar vortex brought subfreezing temperatures Tuesday to some of the southernmost points of the U.S.

DES MOINES, Iowa (AP) — The plunging polar vortex brought subfreezing ... a weather service meteorologist based in College Park, Maryland. “We’re going to see areas of snow and ice start ...

A huge swath of the U.S. was blasted with ice, snow and wind on Monday as the polar vortex that dipped south over the weekend ...

A huge swath of the U.S. was blasted with ice, snow and wind on Monday as the polar vortex that dipped south ... certify the votes from the Electoral College in the presidential election Monday ...

Canada geese hunker down along North Shore Drive in Cooper River Park, Pennsauken ... snow and wind on Monday as the polar vortex that dipped south over the weekend kept much of the country ...

“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 ...

A workman clears steps at the Capitol as snow falls ahead of a joint session of Congress to certify the votes from the Electoral College in ... on Monday as the polar vortex that dipped south ...

A snowplow clears the area as snow blankets Capitol Hill ahead of a joint session of Congress to certify the votes from the Electoral College in ... on Monday as the polar vortex that dipped ...