Butte County Weather ForecastUnited StatesSDButte County4284Belle FourcheChance Thunderstorms4380Castle RockChance ThunderstormsArpanBelle FourcheBelle Fourche Municipal AirportBelle Fourche National Wildlife RefugeBelle Fourche ReservoirCastle RockFruitdaleGuidinger ReservoirHerman ParkHighland ParkHooverNewellNewell LakeNislandRocky Point Recreation AreaVale