Butte County Weather ForecastUnited StatesSDButte County2543Belle FourcheRain/Snow Likely2644Castle RockChance Rain/SnowArpanBelle FourcheBelle Fourche Municipal AirportBelle Fourche National Wildlife RefugeBelle Fourche ReservoirCastle RockFruitdaleGuidinger ReservoirHerman ParkHighland ParkHooverNewellNewell LakeNislandRocky Point Recreation AreaVale