O’Fallon Wheat 17 years ago share O’Fallon Brewery O’Fallon, MO Available: MO, IL O’Fallon Wheat won the bronze medal in the American Hefeweizen category in the 2005 Great American Beer Festival. ABV: 5.1 ABW: 4 Color: 3.6 Bitterness: 10 Gravity: 1048 Related