Butte County Weather ForecastUnited StatesSDButte County4370Belle FourcheIncreasing Clouds4268Castle RockIncreasing CloudsArpanBelle FourcheBelle Fourche Municipal AirportBelle Fourche National Wildlife RefugeBelle Fourche ReservoirCastle RockFruitdaleGuidinger ReservoirHerman ParkHighland ParkHooverNewellNewell LakeNislandRocky Point Recreation AreaVale