On Wednesday, when cellphone weather apps began warning their users that a sprawling storm system could drop a foot or more ...

A major storm system is expected to deliver significant snowfall and freezing rain across more than half of the United States ...

Learn how the "warm nose" phenomenon influences winter weather patterns, affecting whether we see snow, sleet or freezing ...

When big winter storms move in, they can bring nasty weather that shows up as different things in different places — maybe it’s snow, or sleet, or freezing rain.