Prairie County UV ForecastUnited StatesMTPrairie CountyModerate3.6TerryModerate UV, 3.6Moderate3.7FallonModerate UV, 3.7Clark ReservoirCoal Creek ReservoirFallonGrant ReservoirHomestead ReservoirHunter Creek ReservoirMcClure ReservoirMildredMurn ParkSaugusSilvertip ReservoirSouth Fork ReservoirTerryTerry Airport