(CNN) — A drastic weather pattern change is about to induce an acute case of weather whiplash for most of the country. During the next few days, a record-setting Western heat wave will settle in while ...

Cold and snowy weather has gripped much of the northern tier of the United States since Thanksgiving, but a pattern change will torch the chance of white Christmas for many. A white Christmas is when ...

(CNN) — When a powerful thunderstorm spawns a tornado, people have what feels like only moments to gather their family and get to a safe place. “Every minute counts,” said David Stensrud, a professor ...