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.

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 ...

A brutally cold air mass will be plummeting south from the Arctic through the weekend and into early next week. Next week’s blast will likely be one day shorter than that of 2019. Still ...