Union County Weather ForecastUnited StatesIAUnion County6486CrestonMostly Sunny6486AftonMostly Sunny6486LorimorMostly Sunny6485ArispeMostly SunnyAftonArispeCrestonCreston 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