Butte County Weather ForecastUnited StatesSDButte County3857Belle FourcheRain Showers Likely3956Castle RockChance Rain ShowersArpanBelle FourcheBelle Fourche Municipal AirportBelle Fourche National Wildlife RefugeBelle Fourche ReservoirCastle RockFruitdaleGuidinger ReservoirHerman ParkHighland ParkHooverNewellNewell LakeNislandRocky Point Recreation AreaVale