Polk County UV ForecastUnited StatesNEPolk CountyLow2.8StromsburgLow UV, 2.8Low2.8OsceolaLow UV, 2.8Low2.8ShelbyLow UV, 2.8Moderate3.3PolkModerate UV, 3.3Berck ReservoirBuckley ParkClear Creek ReservoirMidwest Park ArboretumMiller ReservoirOlson ReservoirOsceolaPolkRosenquist ReservoirShelbyStromsburgStromsburg Municipal Airport