Butte County Weather ForecastUnited StatesSDButte County4572Belle FourcheRain Showers Likely4670Castle RockChance Rain ShowersArpanBelle FourcheBelle Fourche Municipal AirportBelle Fourche National Wildlife RefugeBelle Fourche ReservoirCastle RockFruitdaleGuidinger ReservoirHerman ParkHighland ParkHooverNewellNewell LakeNislandRocky Point Recreation AreaVale