| Rk | Team | Affiliate | W | L | Pct | Gbl | RF | RA | Manager | Stadium | Attendance | Top Batter | Top Pitcher | Playoffs |
| 1 | Billings Mustangs ** | CIN | 50 | 18 | .735 | -- | 507 | 317 | Jim Hoff | Cobb Field | 58,750 | Gary Redus (1) | Les Straker (7) | League Champions |
| 2 | Idaho Falls Angels | CAL | 41 | 27 | .603 | 9.0 | 535 | 448 | Reuben Rodriguez | McDermott Field | 27,033 | Mark Nocciolo (3) | Steve Brown (1) | Lost in Finals |
| 3 | Calgary Cardinals | STL | 37 | 32 | .536 | 13.5 | 438 | 434 | Johnny Lewis | Burns Stadium | 25,198 | James McKnight (10) | Curtis Coward (8) | |
| 4 | Great Falls Giants | SF | 33 | 34 | .493 | 16.5 | 390 | 391 | Ernie Rodriguez | Centene Stadium | 47,912 | Rob Deer (38) | Michael Tucker (2) | |
| 5 | Lethbridge Dodgers | LAD | 33 | 35 | .485 | 17.0 | 488 | 417 | Jim Lefebvre | Henderson Stadium | 14,320 | Mike Marshall (5) | Roberto Alexander (17) | |
| 6 | Helena Phillies | PHI | 30 | 38 | .441 | 20.0 | 454 | 479 | Larry Rojas | Kindrick Field | 25,463 | Wil Culmer (19) | Wally Goff (12) | |
| 7 | Medicine Hat Blue Jays | TOR | 28 | 40 | .412 | 22.0 | 394 | 537 | John McLaren | Athletic Park | 17,010 | Lloyd Moseby (7) | Jesse Flores (4) | |
| 8 | Butte Copper Kings | - | 19 | 47 | .288 | 30.0 | 442 | 709 | Bruce Manno | Alumni Coliseum | 19,469 | Israel Gutierrez (25) | Mario Mudano (13) |