| Northern | ||||||||||||||
| Rk | Team | Affiliate | W | L | Pct | Gbl | RF | RA | Manager | Stadium | Attendance | Top Batter | Top Pitcher | Playoffs |
| 1 | Great Falls Dodgers | LAD | 54 | 16 | .771 | -- | 508 | 333 | Kevin Kennedy | Centene Stadium | 85,193 | Mike Devereaux (1) | Fred Farwell (2) | Lost in Finals |
| 2 | Helena Gold Sox | MIL | 42 | 26 | .618 | 11.0 | 487 | 415 | Mike Easom | Kindrick Field | 23,276 | Todd Brown (5) | Randy Veres (13) | |
| 3 | Medicine Hat Blue Jays | TOR | 26 | 44 | .371 | 28.0 | 318 | 392 | Rocket Wheeler | Athletic Park | 46,284 | Geronimo Berroa (13) | Jeff Musselman (11) | |
| 4 | Butte Copper Kings | - | 24 | 45 | .348 | 29.5 | 355 | 508 | Hal Dyer | Alumni Coliseum | 20,573 | David Castillo (20) | Ron Brevell (23) | |
| Southern | ||||||||||||||
| Rk | Team | Affiliate | W | L | Pct | Gbl | RF | RA | Manager | Stadium | Attendance | Top Batter | Top Pitcher | Playoffs |
| 1 | Salt Lake City Trappers ** | - | 46 | 24 | .657 | -- | 410 | 355 | Jim Gattis | Derks Field | 57,683 | Joseph Slotnick (4) | Ed McCarter (3) | League Champions |
| 2 | Billings Mustangs | CIN | 41 | 27 | .603 | 4.0 | 363 | 293 | Jim Lett | Cobb Field | 97,773 | Marty Brown (2) | Robert Lopez (1) | |
| 3 | Pocatello Gems | OAK | 24 | 45 | .348 | 21.5 | 309 | 407 | Dave Hudgens | Halliwell Park | 22,397 | Steve Iannini (29) | Bob Stocker (7) | |
| 4 | Idaho Falls Nuggets | - | 19 | 49 | .279 | 26.0 | 379 | 465 | Reuben Rodriguez | McDermott Field | 20,647 | Charles Heist (8) | Richard Dunn (10) | |