Polk County Weather ForecastUnited StatesNEPolk County3762StromsburgBecoming Sunny3762OsceolaBecoming Sunny3762ShelbyBecoming Sunny3662PolkBecoming SunnyBerck ReservoirBuckley ParkClear Creek ReservoirMidwest Park ArboretumMiller ReservoirOlson ReservoirOsceolaPolkRosenquist ReservoirShelbyStromsburgStromsburg Municipal Airport