An arctic air mass has descended into the US, and a disrupted polar vortex will keep the nation in the freezer at times deeper into December. More than 200 million people will wake up to freezing ...

Baby, it's colder than normal outside! December is off to a chillier-than-typical start for much of the country. More frosty temperatures hit parts of the north-central U.S. on Thursday, Dec. 4, and ...

A rare atmospheric collision is poised to deliver unprecedented Arctic air across North America in December 2025. On November 27, the National Weather Service Climate Prediction Center released its ...

New England is bracing for bitterly cold temperatures as a strong blast of Arctic air rushes into the region on Thursday, sending temperatures crashing to their coldest levels yet this season — into ...

Boston has seen just one day so far this month where the average temperature was above the seasonal norm, daring me to ask — are you over the cold yet? Astronomical winter hasn’t even arrived (that ...