Mercer County UV ForecastUnited StatesOHMercer CountyLow1.1CelinaLow UV, 1.1Low1.7Fort RecoveryLow UV, 1.7Low1.1RockfordLow UV, 1.1Low1.1ColdwaterLow UV, 1.1CarthagenaCelinaChickasawColdwaterEastview ParkFort RecoveryGrand Lake Saint Marys State ParkGrand Lake St Marys SPBHamrick AirportLakefield AirportMaria SteinMendonMercer Wildlife AreaMontezumaMontezuma BayMulholland AirportRockfordSt HenrySt Johns