Union County RainfallUnited StatesSDUnion County25%Elk Point 25% Chance 25%Richland 25% Chance 25%Beresford 25% Chance 15%Alcester 15% Chance 20%North Sioux City 20% Chance Adams Homestead and Nature PreserveAlcesterBeresfordBig SpringsBurbank LakeDakota DunesElk PointEmmetGraham FieldHorseshoe LakeJeffersonLake NixonMcCook LakeMJ Aviation Airport IINoraNorth Sioux CityRichlandUnion GroveWynstone