Prairie County UV ForecastUnited StatesMTPrairie CountyModerate3TerryModerate UV, 3Moderate3.3FallonModerate UV, 3.3Clark ReservoirCoal Creek ReservoirFallonGrant ReservoirHomestead ReservoirHunter Creek ReservoirMcClure ReservoirMildredMurn ParkSaugusSilvertip ReservoirSouth Fork ReservoirTerryTerry Airport