Stanley County RainfallUnited StatesSDStanley County20%Fort Pierre 20% Chance 30%Hayes 30% Chance Antelope Creek Recreation AreaChantier Creek Recreation AreaDownstream Recreation AreaSouthFort PierreFoster Bay Recreation AreaHayesHayes Emergency AirstripHayes LakeHayes Lake State Access AreaMinneconjou Recreation AreaMission RidgeOrtonW L Thompson AirportWest Shore Recreation Area