Prairie County UV ForecastUnited StatesMTPrairie CountyModerate4.7TerryModerate UV, 4.7Moderate4.4FallonModerate UV, 4.4Clark ReservoirCoal Creek ReservoirFallonGrant ReservoirHomestead ReservoirHunter Creek ReservoirMcClure ReservoirMildredMurn ParkSaugusSilvertip ReservoirSouth Fork ReservoirTerryTerry Airport