 In the 1969–70 season, Weir amassed 35 goals and 26 assists in only 42 games, earning him the Ernie Love Trophy (given to the AJHL Scoring Champion) at the age of 17.The following season saw Weir join the Medicine Hat Tigers of the Western Hockey League and win the Jim Piggott Memorial Trophy (given to the WHL's Rookie of the Year).Weir also played on a line with future NHLer Lanny McDonald and they became friends.