Fourteen teams completed a 72-game season.
For the second time in franchise history, the Kamloops Blazers captured both the Scotty Munro Memorial Trophy and the President's Cup in the same season—they last accomplished the feat in the 1983–84 season.
Note: GP = Games played; G = Goals; A = Assists; Pts = Points; PIM = Penalties in minutes On January 26, the East Division defeated the West Division 9–6 at Kennewick, Washington before a crowd of 5,059.
During the 1989–90 WHL season, the Victoria Cougars set several records for futility within a 72-game WHL season.
They also broke the record for most losses in a row at 37 (November 22, 1989 – February 11, 1990).