NPR's Leila Fadel speaks with Axios senior climate reporter Andrew Freedman about the incoming Arctic blast that's expected to bring dangerously cold temperatures to large parts of the U.S.

An arctic blast looming across much of the U.S. will cause temperatures to plummet by 30 to 40 degrees this weekend and into next week, bringing a hazardous freeze from parts of the Midwest to the ...

That's because an Arctic blast is forecast to sweep down through ... And it is - when it is strong, it bottles up the cold air over the Arctic. When it is weak, some of that cold air spills ...