LYON COUNTY, Iowa (KCAU) — The National Weather Service in Sioux Falls has confirmed a tornado in Lyon County, Iowa, that occurred during Monday’s derecho event. On Monday, July 28, a derecho moved ...

Windy weather is in the short-term forecast. Meteorologist Adam Rutt talks about an aspect of windy weather that you may not ...

There were at least two confirmed tornadoes amid a flurry of warnings as thunderstorms moved through eastern South Dakota during the afternoon and evening of July 28, according to the National Weather ...

SIOUX FALLS, S.D. (KELO) — A significant outbreak of severe weather struck KELOLAND last night. Severe winds, large hail, and tornadoes were all reported in the region. Latest forecast and damage ...

It was the strongest classification of tornado and the first confirmed on American soil in a dozen years, meteorologists said Monday.

Cloud cover and easterly winds kept temperatures largely in check for most of the afternoon outside of extreme southeastern ...

Weather service confirms a 210 mph tornado in North Dakota was first with EF5 classification in a dozen years.

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.