Prairie County Weather ForecastUnited StatesMTPrairie County1735TerryMostly Cloudy1735FallonMostly CloudyClark ReservoirCoal Creek ReservoirFallonGrant ReservoirHomestead ReservoirHunter Creek ReservoirMcClure ReservoirMildredMurn ParkSaugusSilvertip ReservoirSouth Fork ReservoirTerryTerry Airport