At 1900 central time, an Aero Commander 680 suffered a loss of control while landing at Williams Airport. The pilot was not injured. The pilot was landing on runway 17 (3,594 feet long by 35 feet wide) when the airplane went off the runway and hit a runway light. The pilot reported that he hit a gust of wind while landing. Weather at an airport 11 miles away was reported as wind from 130 degrees at 9 knots.