Union County RainfallUnited StatesSDUnion County10%Elk Point 10% Chance 10%Richland 10% Chance 15%Beresford 15% Chance 15%Alcester 15% 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