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

A stretch of big wind from a Monday night storm destroyed or severely damaged some farm buildings and crops in southeastern ...

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

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

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

The National Weather Service Sioux Falls forecast shows that the city will be seeing temperatures as high as 70 next week, a record high in February.

SIOUX FALLS, S.D. (KELO) — Severe weather awareness week is approaching and the state of South Dakota will have fewer employees at the National Weather Service, an official said at a Wednesday ...

The last time a derecho hit eastern South Dakota, the sky above Sioux Falls turned green, prompting Reddit users to create images of everything from Cthulhu to the Stay-Puft Marshmallow Man rampaging ...

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

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

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

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