Mercer County RainfallUnited StatesOHMercer County75%Celina 75% Chance 80%Fort Recovery 80% Chance 75%Rockford 75% Chance 75%Coldwater 75% Chance CarthagenaCelinaChickasawColdwaterEastview ParkFort RecoveryGrand Lake Saint Marys State ParkGrand Lake St Marys SPBHamrick AirportLakefield AirportMaria SteinMendonMercer Wildlife AreaMontezumaMontezuma BayMulholland AirportRockfordSt HenrySt Johns