Union County RainfallUnited StatesSDUnion County15%Elk Point 15% Chance 15%Richland 15% Chance 20%Beresford 20% Chance 20%Alcester 20% Chance 10%North Sioux City 10% Chance Adams Homestead and Nature PreserveAlcesterBeresfordBig SpringsBurbank LakeDakota DunesElk PointEmmetGraham FieldHorseshoe LakeJeffersonLake NixonMcCook LakeMJ Aviation Airport IINoraNorth Sioux CityRichlandUnion GroveWynstone