Mercer County UV ForecastUnited StatesOHMercer CountyLow1.6CelinaLow UV, 1.6Low1.7Fort RecoveryLow UV, 1.7Low1.6RockfordLow UV, 1.6Low1.6ColdwaterLow UV, 1.6CarthagenaCelinaChickasawColdwaterEastview ParkFort RecoveryGrand Lake Saint Marys State ParkGrand Lake St Marys SPBHamrick AirportLakefield AirportMaria SteinMendonMercer Wildlife AreaMontezumaMontezuma BayMulholland AirportRockfordSt HenrySt Johns