In 1999, Weir won his first PGA Tour title at the 1999 Air Canada Championship after rounds of 68-70-64-64, which produced a two-stroke victory. The key to victory was an eagle-2 from 147 yards on No. 14 during final round. First Canadian to win on native soil since Pat Fletcher won the 1954 Canadian Open. First Canadian to win on Tour since Richard Zokol won the 1992 Greater Milwaukee Open.