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

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 ...

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

The thunderstorms on July 28 produced two damage-causing tornadoes in South Dakota, and a third in Iowa, according to the National Weather Service.

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.

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

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

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

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

"If you are traveling between Sioux Falls and Jackson on I-90 or any east-west road in this area an outflow with wind gusts around 50 mph is likely by 10 p.m.," the NWS stated on X.