Prairie County Weather ForecastUnited StatesMTPrairie County2848TerrySlight Chance Rain2948FallonSlight Chance RainClark ReservoirCoal Creek ReservoirFallonGrant ReservoirHomestead ReservoirHunter Creek ReservoirMcClure ReservoirMildredMurn ParkSaugusSilvertip ReservoirSouth Fork ReservoirTerryTerry Airport