Monday’s storm system produced two tornadoes in Gregory County and a third near Alvord, Iowa, in Lyon County, the National ...

ALVORD, Iowa (KTIV) - A line of thunderstorms with damaging winds moved through Northwest Iowa Monday, July 28. While most of ...

After heavy storms swept through Sioux Falls many residents are still cleaning up the damage, leaving several with damage to ...

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 extreme heat warning has been extended to 8 p.m., the NWS states. Update as of 11:46 p.m.: Parts of Sioux Falls, Brandon ...

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

The severe thunderstorms that passed through eastern South Dakota on July 28 brought powerful winds to the region.

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

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

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

Snow began falling in the area early Monday morning, with reports from the National Weather Service of 8.1 inches in some parts of eastern Sioux Falls by 7 a.m., and more than 9 inches reported in ...

A 2020 derecho caused widespread damage across Massachusetts and southern New England. What to know about these destructive storms.