Union County Weather ForecastUnited StatesIAUnion County1830CrestonChance Snow1830AftonChance Snow1830LorimorChance Snow1730ArispeChance SnowAftonArispeCrestonCreston 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