Prairie County Weather ForecastUnited StatesMTPrairie County2141TerryDecreasing Clouds2140FallonBecoming SunnyClark ReservoirCoal Creek ReservoirFallonGrant ReservoirHomestead ReservoirHunter Creek ReservoirMcClure ReservoirMildredMurn ParkSaugusSilvertip ReservoirSouth Fork ReservoirTerryTerry Airport