Add Yahoo as a preferred source to see more of our stories on Google. Delaware is set to be hit with one of the largest winter storms in years as forecasts are predicting up to 18 inches in some parts ...

Thundersnow occurs when a thunderstorm meets winter weather, producing snow instead of rain, a rare weather phenomenon that's as hazardous as it is fascinating.

A rare and electrifying winter phenomenon could strike New York City this weekend as the region braces for a powerful coastal storm.

Add Yahoo as a preferred source to see more of our stories on Google. A major winter storm is set to impact Indiana this weekend, bringing the potential for heavy snow, ice, "thundersnow" and ...

There's something deeply disorienting about seeing a lightning bolt cut through a blizzard. Thunder rolling across a ...

More than 230 million people across the United States are at risk this weekend of impacts from a major winter storm or the bitter cold, according to the National Weather Service. Disruptive snowfall ...