St. Louisans will celebrate an annual Fall tradition in the Gateway City with the Great Forest Park Balloon Glow Friday night. This is the 41st anniversary for the event which proceeds the Great Balloon Race scheduled for Saturday. The Balloon Glow runs from 7:00 until 9:15 tonight on the Central Fields, with a fireworks display to follow. Festivities on race-day begin with food and entertainment at noon. The hare balloon will launch at 4:30, with the hounds to follow at 4:45. Should weather force the cancellation of the race on Saturday, it will be held on Sunday.