The National Weather Service in Sioux Falls is predicting large hail up to golf ball size, damaging winds up to 70 miles per ...

As we reorient ourselves to the school year, it’s time to mark our calendars for several key dates for our students, parents, ...

The tornado that touched down in rural Codington County Sunday traveled nearly four miles, a new report from the National ...

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 ...

Parts of Lincoln County were not as lucky as Sioux Falls, including what the Lincoln County Sheriff's Office called ...

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.

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 ...

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

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.

"The Winter Storm Watch has been replaced. Please see the latest information from NWS Sioux Falls SD on this developing situation," states the National Weather Service.