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

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

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

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

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

Jeff Chapman, a meteorologist with the National Weather Service in Sioux Falls, said thunderstorms and strong winds between ...

Update as of 6 p.m.: Sioux Falls, and areas to the west and to the north, are under a severe thunderstorm watch until midnight July 27, the NWS states.

A dangerous derecho is expected to form in parts of the Northern Plains and Upper Midwest on Monday, with wind gusts over 75 ...

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