The United States is experiencing a variety of extreme weather conditions, including record heat in the Southwest, heavy ...

The U.S. faces severe weather conditions, including extreme heat in the Southwest, cold temperatures in the Midwest, and significant snowfall in northern regions, all linked to a volatile jet stream.

The United States is getting slammed by a stretch of weather extremes, from flooding rain to record heat and late-season snow. On Wednesday, Washington, D.C., hit a record 86 degrees, then snow ...

As Arizona is about to enter a historic heat streak, many have been asking, "Why so hot, so early?"  After all, it's not often Phoenix reaches 100 in March (it's only happened once since 1896).

A storm system tracking across the Northern U.S. will usher in snowy and blustery weather for the end of the week.

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 ...