Union County RainfallUnited StatesSDUnion County10%Elk Point 10% Chance 10%Richland 10% Chance 25%Beresford 25% Chance 20%Alcester 20% 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