Discover the best seasons to visit, where to stay near Theodore Roosevelt National Park, and how to explore this otherworldly ...

The risk for severe weather is expected to peak this weekend as a new storm develops over the Mississippi Valley, strengthens and tracks toward the Great Lakes region.

The National Weather Service said the EF5 twister in North Dakota packed winds stronger than 200 mph, underscoring risks that ...

A deadly tornado that tore across southeastern North Dakota this summer has been upgraded to an EF5 with winds topping 200 mph, the strongest classification of tornado and the first confirmed on ...

A tornado that killed three people in Enderlin, North Dakota, has been upgraded to an EF5 tornado. This is the first EF5 tornado in the United States in about 12 years. The tornado flipped rail cars, ...

SIOUX FALLS, S.D. (AP) — A deadly tornado that tore across North Dakota this summer has been upgraded to an EF5, the strongest kind of tornado and the first one on American soil in twelve years. The ...