Butte County Weather ForecastUnited StatesSDButte County3152Belle FourcheSlight Chance Rain Showers3151Castle RockSlight Chance Rain ShowersArpanBelle FourcheBelle Fourche Municipal AirportBelle Fourche National Wildlife RefugeBelle Fourche ReservoirCastle RockFruitdaleGuidinger ReservoirHerman ParkHighland ParkHooverNewellNewell LakeNislandRocky Point Recreation AreaVale