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 ...

Most people associate thunder and lightning with thunderstorms, but you shouldn't be surprised if you hear a rumble or two coming from the sky during heavy snow. What is thundersnow? Thundersnow is ...

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 ...