Cold and snowy weather has gripped much of the northern tier of the United States since Thanksgiving, but a pattern change will torch the chance of white Christmas for many.

(CNN) — Record cold temperatures have pushed as far south as Florida this morning as wind-whipped snow continues to pile up in the eastern Great Lakes from a brief bout of Arctic air gripping the eastern US. More than two dozen cities, reaching as far ...

(CNN) — The calendar still says fall, but the atmosphere is skipping ahead to winter as a rush of Arctic air sends more than two dozen states into a brief deep freeze. It all starts this weekend in the Midwest, where temperatures will drop 10 to 20 ...

The National Weather Service is working to hire back hundreds of positions laid off or otherwise cut by the Trump administration, but it’s progressing at a snail’s pace, forcing many offices to continue to cope with vacancies that could affect winter forecasts.