A potent winter storm threatened blizzard-like conditions, treacherous travel and power outages in parts of the Upper Midwest as other areas of the country braced Monday for plunging temperatures, strong winds and a mix of snow, ice, and rain.

More than 40 million are on alert as the next winter storm is forecast to bring inclement weather from the Dakotas into northern New England over the coming days.

The last days of 2025 include all sorts of potential bad weather: Blizzard conditions, a brewing bomb cyclone and "Blue Norther." Here's what to know.

A mix of snow and ice bore down on the U.S. Northeast early on Saturday, disrupting post-holiday weekend airline traffic and prompting officials in New York and New Jersey to issue weather emergency declarations even as the storm ebbed by mid-morning.

As the Northeast recovers from a heavy snowstorm, a new system is already moving through the Rockies and is expected to sweep across the country.

A winter storm is now dumping heavy snow and treacherous ice on parts of the Great Lakes and Northeast Friday evening after snarling travel and knocking out power in parts of the region. Hundreds of flights have been delayed or canceled at New York’s three major airports along with Philadelphia International Airport,

More than 51 million Americans live in areas under winter storm alerts stretching from northern Minnesota to the Eastern Seaboard.

A winter storm is hitting New York City and other parts of the Northeast, but an atmospheric river that dumped rain on California most of the week was easing.