Mercer County RainfallUnited StatesOHMercer County10%Celina 10% Chance 15%Fort Recovery 15% Chance 10%Rockford 10% Chance 10%Coldwater 10% Chance CarthagenaCelinaChickasawColdwaterEastview ParkFort RecoveryGrand Lake Saint Marys State ParkGrand Lake St Marys SPBHamrick AirportLakefield AirportMaria SteinMendonMercer Wildlife AreaMontezumaMontezuma BayMulholland AirportRockfordSt HenrySt Johns