Butte County Weather ForecastUnited StatesSDButte County67103Belle FourcheSlight Chance Thunderstorms68103Castle RockSlight Chance ThunderstormsArpanBelle FourcheBelle Fourche Municipal AirportBelle Fourche National Wildlife RefugeBelle Fourche ReservoirCastle RockFruitdaleGuidinger ReservoirHerman ParkHighland ParkHooverNewellNewell LakeNislandRocky Point Recreation AreaVale