Middle Powder HUC8 10090207
A 2,751 km² sub-basin of the Missouri region in MT, WY. 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.
Health score
28
Critical
Drought index
375
Extreme
Area in D2+
100%
0% exceptional (D4)
Gauges below normal
100%
of 1 reporting
Median flow
27%
p7 of record
Water assets
1,001
2 springs · 229 wells
USGS gauges (1)
- Powder River at Moorhead MT0632450060 cfsp7 · much below normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-21 | 375 | 100 | 1/1 | p7 |
| 2026-10-20 | 375 | 100 | 1/1 | p6 |
| 2026-10-19 | 375 | 100 | 1/1 | p7 |
| 2026-10-18 | 375 | 100 | 1/1 | p7 |
| 2026-10-17 | 375 | 100 | 1/1 | p7 |
| 2026-10-16 | 375 | 100 | 1/1 | p7 |
| 2026-10-15 | 375 | 100 | 1/1 | p6 |
| 2026-10-14 | 375 | 100 | 1/1 | p7 |
| 2026-10-13 | 375 | 100 | 1/1 | p8 |
| 2026-10-12 | 375 | 100 | 1/1 | p8 |
| 2026-10-11 | 375 | 100 | 1/1 | p9 |
| 2026-10-10 | 375 | 100 | 1/1 | p9 |
| 2026-10-09 | 375 | 100 | 1/1 | p11 |
| 2026-10-08 | 375 | 100 | 1/1 | p12 |
Top water assets
- 67Powder Riverriver
- 67Bitter Creekriver
- 67Powder Riverriver
- 67Powder Riverriver
- 67Powder Riverriver
- 67Powder Riverriver
- 67Bitter Creekriver
- 67Powder Riverriver
- 67SA Creekriver
- 67Powder Riverriver