Temperatures will plummet by up to 40 degrees this weekend as an arctic blast spreads across much of the U.S., including the Deep South.

A strong, stable vortex is like a skater spinning with their arms tucked closely in, holding in an area of cold air over the Arctic. But when there’s a wobble in the rotation, winds in the vortex can ...

"There is an Arctic blast sweeping the country. I don't want to see people hurt, or injured in any way." "It is dangerous conditions for the tens of thousands of Law Enforcement, First Responders, ...

"The level and extensiveness of the frigid air may be tough to match the rest of the winter," forecasters warned.

A potent cold front will enter the north-central U.S. before roaring across much of the rest of the nation over the weekend.

It's been a harsh winter, especially during January when much of the U.S. was hit with a major winter storm followed by an ...

Several Florida counties could see "show showers" next week as another an Arctic blast combines with moisture to make snow a ...

A blast of Arctic air is expected to arrive in Mississippi soon as the Arctic jet stream pushes farther South than usual and ...

The most potent blast will enter the north-central U.S. on Friday, the National Weather Service warned, before roaring across much of the rest of the nation over the weekend. Arctic air will ...

Another blast of Arctic air is set to sweep across the South early next week, following a system that will bring rain and snow to many parts of the U.S. The National Weather Service is calling for a ...