Track the winter storm as it's forecasted to bring heavy snow and extremely cold weather to the U.S., reaching millions from the southern U.S. to the Northeast.

A major winter storm is set to spread heavy snow and damaging ice across a large portion of the United States over the coming days. Dangerously cold temperatures will only worsen the storm and increase its danger.

As the U.S. prepares to take on another bout of cold weather, the term "polar vortex" is getting thrown around. But what is it?

On Wednesday, when cellphone weather apps began warning their users that a sprawling storm system could drop a foot or more of snow on New York City this weekend, a murmur of anticipation — or angst, depending on your point of view — spread across the region.

Smartphone weather apps that summarize their forecasts with eye-popping numbers and bright icons may be handy during mild weather, but meteorologists say it's better to listen to human expertise during multi-faceted,

CEO Rohit Agarwal says hype and scaremongering amid a dangerous storm are counter-productive when the company is building its business based on trust.

Half the U.S. population will likely see some effect from the sprawling storm that will move across the country this weekend, meteorologists said.

Heavy snow and bitter cold is expected to hit across much of the country through the weekend, but it's not shaping up to come close to the biggest snowstorms in history. Some may have memories of the infamous blizzard of 1978,