A 2,212 km² sub-basin of the Missouri region in MT. Drought coverage is from the US Drought Monitor (map of 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-22 | 79 | 0 | 1/1 | p24 |
| 2026-10-21 | 79 | 0 | 0/1 | p30 |
| 2026-10-20 | 79 | 0 | 0/1 | p31 |
| 2026-10-19 | 79 | 0 | 0/1 | p38 |
| 2026-10-18 | 79 | 0 | 0/1 | p39 |
| 2026-10-17 | 79 | 0 | 0/1 | p46 |
| 2026-10-16 | 79 | 0 | 0/1 | p47 |
| 2026-10-15 | 160 | 0 | 0/1 | p48 |
| 2026-10-14 | 160 | 0 | 0/1 | p48 |
| 2026-10-13 | 160 | 0 | 0/1 | p53 |
| 2026-10-12 | 160 | 0 | 0/1 | p57 |
| 2026-10-11 | 160 | 0 | 0/1 | p27 |
| 2026-10-10 | 160 | 0 | 1/1 | p23 |
| 2026-10-09 | 160 | 0 | 1/1 | p24 |