The thunderstorm risk level went from enhanced to moderate for the area, with timing now pushed back to between 5 p.m. and 1 ...

The tornado that touched down in Henry Sunday traveled nearly four miles, a new report from the National Weather Service said ...

Parts of Lincoln County were not as lucky as Sioux Falls, including what the Lincoln County Sheriff's Office called ...

The National Weather Service has issued a flash flood warning for multiple areas across the Sioux Empire. The warning lasts ...

Free tree and branch drop off sites are open in Sioux Falls following severe weather that swept through Sioux Falls Monday ...

A moderate threat for severe storms is in place for parts of South Dakota and Minnesota on Monday afternoon into the evening due to the threat of a derecho.

Todd Heitkamp, a National Weather Service meteorologist, said the line of storms appeared to coalesce into a derecho around ...

There were two confirmed tornadoes amid a flurry of warnings as storms moved through eastern South Dakota during the ...

Severe storms overnight in Iowa caused fallen trees and downed power lines. See storm damage reports from across the state.

To be called a derecho, the thunderstorm-generated high winds and wind damage should cover a distance of at least 250 miles ...

Reed Timmer followed this storm throughout the state of South Dakota. He saw strong winds, tornadoes, large hail, and even a ...

Potent storms were hitting the northern U.S. on Monday, with a potential to turn into a derecho with hurricane-force winds.