New York City had its first measurable snowfall of the season this weekend just in time for the holidays. A white Christmas isn't guaranteed, though, as temperatures will creep above freezing this week.

It’s very chilly now, but big changes are on the way for much of the U.S. by midweek. Here’s what you can expect.

For those in the West, the holidays will not be bringing the gift of dry weather this year. Multiple systems will parade through the region, dumping rain and mountain snow. Time it out here.

Will you wake up to a Winter Wonderland on Christmas or will mild air overtake your holidays? We break down the odds here.

Holiday travelers across the U.S. are contending with multiple active weather threats this week from rain and mountain snow in the West to thunderstorms across the Central U.S.