The National Weather Service in Sioux Falls has confirmed a tornado in Lyon County, Iowa, that occurred during Monday's ...

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

The National Weather Service in Sioux Falls has confirmed a tornado in Lyon County, Iowa, that occurred during Monday's derecho event.

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

Earlier this week, the town of Henry experienced a tornado, with one family losing their home. On the scene, assessing the damage was one of two tornado experts in the country.

We had more active weather in KELOLAND last night. While storms produced damaging winds again, heavy rain was also a concern.

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

3:12 p.m. The National Weather Service - Sioux Falls office is warning of widespread, dense freezing fog in Sioux City mainly between 7 p.m. and midnight.

This article originally appeared on Sioux Falls Argus Leader: NWS: Severe thunderstorm watch issued for Lincoln, Minnehaha counties until Tuesday morning A graphic from the National Weather ...

The National Weather Service forecasts heat indexes of up to 100 degrees in Sioux Falls on Saturday and Sunday.