Prairie County Weather ForecastUnited StatesMTPrairie County4476TerryChance Rain Showers4476FallonChance ThunderstormsClark ReservoirCoal Creek ReservoirFallonGrant ReservoirHomestead ReservoirHunter Creek ReservoirMcClure ReservoirMildredMurn ParkSaugusSilvertip ReservoirSouth Fork ReservoirTerryTerry Airport