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

ALVORD, Iowa (KTIV) - A line of thunderstorms with damaging winds moved through Northwest Iowa Monday, July 28. While most of ...

The tornado that touched down in Henry Sunday traveled nearly four miles, a new report from the National Weather Service said ...

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

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

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 ...

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

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 ...

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.

A 2020 derecho caused widespread damage across Massachusetts and southern New England. What to know about these destructive storms.