Union County RainfallUnited StatesSDUnion County80%Elk Point 80% Chance 80%Richland 80% Chance 80%Beresford 80% Chance 80%Alcester 80% Chance 80%North Sioux City 80% Chance Adams Homestead and Nature PreserveAlcesterBeresfordBig SpringsBurbank LakeDakota DunesElk PointEmmetGraham FieldHorseshoe LakeJeffersonLake NixonMcCook LakeMJ Aviation Airport IINoraNorth Sioux CityRichlandUnion GroveWynstone