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 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.

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 ...

Earlier this week, a storm hit the community of Hudson, South Dakota. According to a National Weather Service report, the July 28 storm produced three tornadoes in ...

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.

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

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.

Sioux Falls will see high wind speeds, low temperatures and potential snowfall this week, according to the National Weather Service. Wednesday, there will be a 20% chance of snow after 5 a.m ...

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 ...