1998: Heavy rains of two to three inches in a short period of time caused flash flooding on the Crow Creek, near Gann Valley. As a result, some dams and roads were washed out.

2004: An F1 tornado damaged 3 barns and numerous other buildings on a farm located 22 miles west of Ft. Pierre. This tornado also downed power lines and broke windows out of a home. There were no injuries reported.

2008: A strong low level jet impinging on a surface frontal boundary extending across southern South Dakota brought many severe thunderstorms to central and northeast South Dakota. Large hail and high winds brought some tree damage, trees down, along with some structural damage. Eighty mph winds blew down a 46 by 100 foot Quonset with tin strewn over a quarter mile. Several trees were also uprooted in Hosmer in Edmunds County. An EF1 tornado touched down briefly and downed a power pole, snapped off a road sign, and blew a metal shed 100 yards destroying it. The tornado also broke off several large tree branches. This tornado occurred eight miles east-northeast of Eden in Marshall County.

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