An extreme cold wave from the Arctic is threatening the United States. Historically low temperatures could affect several regions, according to weather forecasts. This cold wave, fueled by large ...

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

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

When the polar vortex weakens, the jet stream can break off its usual path and cause colder air to push south, according to NOAA. Temperatures could hit single digits in much of the northeast ...

Special equipment must be employed to remove frost from the ground so graves can be more easily dug. Shukwit says a ...

Abnormal weather events and severe winter storms could be caused by a disrupted polar vortex. Find out here how the polar vortex affects the weather.

Some 60 million people are under weather alerts across 30 states. Seven of them have declared emergencies: Maryland, Virginia ...

Millions in the U.S. were hit by a major winter storm that created dangerous conditions from the Central Plains to the East Coast.

Part of Mississippi under extreme cold warning after winter storm dropped snow across the Gulf Coast. When will temperatures ...