Union County RainfallUnited StatesSDUnion County20%Elk Point 20% Chance 20%Richland 20% Chance 20%Beresford 20% Chance 20%Alcester 20% Chance 15%North Sioux City 15% Chance Adams Homestead and Nature PreserveAlcesterBeresfordBig SpringsBurbank LakeDakota DunesElk PointEmmetGraham FieldHorseshoe LakeJeffersonLake NixonMcCook LakeMJ Aviation Airport IINoraNorth Sioux CityRichlandUnion GroveWynstone