Polk County Weather ForecastUnited StatesNEPolk County3460StromsburgMostly Sunny3362OsceolaIncreasing Clouds3361ShelbyMostly Sunny3463PolkMostly SunnyBerck ReservoirBuckley ParkClear Creek ReservoirMidwest Park ArboretumMiller ReservoirOlson ReservoirOsceolaPolkRosenquist ReservoirShelbyStromsburgStromsburg Municipal Airport