| Yellowstone River | 5,720 cfs | NORMAL |
| Gallatin River | 397 cfs | NORMAL |
| Madison River | 699 cfs | NORMAL |
| Jefferson River | 1,470 cfs | NORMAL |
| Clark Fork River | 2,830 cfs | NORMAL |
| Milk River | 65 cfs | NORMAL |
| Musselshell River | 3,060 cfs | NORMAL |
| Big Horn River | -- | |
| Bitterroot River | 916 cfs | NORMAL |
| Boulder River | -- | |
| Flathead River | 3,640 cfs | NORMAL |
| Kootenai River | -- | |
| Missouri River (Fort Benton) | -- | |
| Beaverhead River | 268 cfs | NORMAL |
| Blackfoot River | 719 cfs | NORMAL |
| Gallatin River (upper) | 1,410 cfs | NORMAL |
| Swan River | 2,410 cfs | NORMAL |
| Wade Hampton Creek | -- | |
| Yellowstone River (Billings) | 3,130 cfs | NORMAL |
| Swiftcurrent Creek At Many Glacier Mt | 26 cfs | NORMAL |
| St. Mary River Near Babb Mt | 71 cfs | NORMAL |
| St. Mary Canal At St. Mary Crossing Near Babb Mt | -999,999 cfs | HIGH |
| Red Rock Cr Ab Lakes, Nr Lakeview, Mt | -999,999 cfs | HIGH |
| Red Rock R Bl Lima Reservoir Nr Monida Mt | 13 cfs | NORMAL |
| Beaverhead River At Barretts Mt | 127 cfs | NORMAL |
| Beaverhead River At Dillon Mt | 156 cfs | HIGH |
| Ruby River Above Reservoir Near Alder, Mt | 142 cfs | NORMAL |
| Ruby River Below Reservoir Near Alder, Mt | 45 cfs | NORMAL |
| Ruby River Near Twin Bridges Mt | 205 cfs | NORMAL |
| Beaverhead River At Twin Bridges, Mt | 680 cfs | NORMAL |
| Big Hole River Bl Big Lake Cr At Wisdom Mt | 280 cfs | HIGH |
| Big Hole River Bl Mudd Cr Nr Wisdom Mt | 450 cfs | HIGH |
| Big Hole River Near Wise River Mt | -- | |
| Big Hole River At Maiden Rock Nr Divide Mt | 680 cfs | HIGH |
| Big Hole River Near Melrose Mt | 711 cfs | HIGH |
| Big Hole River Near Glen Mt | 720 cfs | NORMAL |
| Big Hole R Bl Hamilton Ditch Nr Twin Bridges, Mt | 553 cfs | NORMAL |
| Jefferson River At Parsons Bdg Nr Silver Star, Mt | -999,999 cfs | HIGH |
| Boulder River Near Boulder, Mt | 76 cfs | HIGH |