Union County Weather ForecastUnited StatesIAUnion County4665CrestonChance Rain Showers4765AftonRain Showers Likely4765LorimorRain Showers Likely4765ArispeRain ShowersAftonArispeCrestonCreston 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