Union County RainfallUnited StatesSDUnion County35%Elk Point 35% Chance 35%Richland 35% Chance 35%Beresford 35% Chance 35%Alcester 35% Chance 35%North Sioux City 35% Chance Adams Homestead and Nature PreserveAlcesterBeresfordBig SpringsBurbank LakeDakota DunesElk PointEmmetGraham FieldHorseshoe LakeJeffersonLake NixonMcCook LakeMJ Aviation Airport IINoraNorth Sioux CityRichlandUnion GroveWynstone