Union County UV ForecastUnited StatesIAUnion CountyVery high8CrestonVery high UV, 8High7.4AftonHigh UV, 7.4High7.4LorimorHigh UV, 7.4High7.4ArispeHigh UV, 7.4AftonArispeCrestonCreston Municipal AirportCromwellGreen Valley State ParkKentLorimorMercer FieldShannon CityTalmage Hill Wildlife AreaThayerThree Mile Lake County ParkThree Mile Lake Wildlife Management AreaTwelve Mile Lake Wildlife Management AreaWallace Field Ultralight Flightpark