Mercer County RainfallUnited StatesOHMercer County40%Celina 40% Chance 45%Fort Recovery 45% Chance 40%Rockford 40% Chance 45%Coldwater 45% Chance CarthagenaCelinaChickasawColdwaterEastview ParkFort RecoveryGrand Lake Saint Marys State ParkGrand Lake St Marys SPBHamrick AirportLakefield AirportMaria SteinMendonMercer Wildlife AreaMontezumaMontezuma BayMulholland AirportRockfordSt HenrySt Johns