Union County RainfallUnited StatesSDUnion County50%Elk Point 50% Chance 50%Richland 50% Chance 65%Beresford 65% Chance 65%Alcester 65% Chance 50%North Sioux City 50% Chance Adams Homestead and Nature PreserveAlcesterBeresfordBig SpringsBurbank LakeDakota DunesElk PointEmmetGraham FieldHorseshoe LakeJeffersonLake NixonMcCook LakeMJ Aviation Airport IINoraNorth Sioux CityRichlandUnion GroveWynstone