Seven US states declared emergencies owing to the polar vortex of icy air that usually circles the North Pole.

Frigid air that normally stays trapped in the Arctic has escaped, plunging deep into the United States for an extended visit ...

The National Weather Service said that by early Tuesday, wind chill temperatures could dip into the teens to low 20s from ...

Another major winter storm is expected to spread snow, sleet and freezing rain across the South and potentially up into the ...

As a major winter storm batters the Midwest and East Coast, the National Weather Service is warning a destructive windstorm could hit Southern California.

A deadly winter storm is pummeling Washington, DC, and the mid-Atlantic Monday after causing hundreds of crashes and flight ...

Several parts of the United States are witnessing a massive winter storm for the past few days. Heavy snow and freezing rain ...

A winter storm brought snow to the Richmond region, prompting a winter storm warning and affecting travel, power outages, and ...

Hundreds of thousands left without power as a deadly snowstorm grips several US states from the Midwest to the mid-Atlantic, affecting some 60 million people.View on euronews ...

Though the worst of the storm ended late Monday, Tuesday morning commuters in parts of Pennsylvania, New Jersey and Delaware ...

Thundersnow, also known as a winter thunderstorm, happens when a snowstorm is accompanied by thunder and lightning. As of ...