A sharp, late-season flip in the jet stream is setting up a winter pattern that looks very different from the one that opened the year, and forecasters say it is not business as usual. A leading ...

Add Yahoo as a preferred source to see more of our stories on Google. A shift in the jet stream could lead to stronger, more widespread storms moving from the Rockies into the Plains and the East ...

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. A white Christmas is when ...

According to the FOX Forecast Center, a large dip in the jet stream will stall over the West starting next week. This will ...

A shift in the jet stream could lead to stronger, more widespread storms moving from the Rockies into the Plains and the East during the fourth week of the month. The larger storms have the potential ...

Add Yahoo as a preferred source to see more of our stories on Google. Snow falls in New York near the Rockefeller Center Christmas tree on December 14. - Gary Hershorn/Getty Images Cold and snowy ...