Middle Little Missouri HUC8 10110203
A 5,628 km² sub-basin of the Missouri region in MT, ND. 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
53
Moderate
Drought index
355
Extreme
Area in D2+
100%
0% exceptional (D4)
Gauges below normal
33%
of 3 reporting
Median flow
59%
p34 of record
Water assets
1,836
12 springs · 328 wells
USGS gauges (3)
- LITTLE MISSOURI RIVER AT MARMARTH, ND0633550010 cfsp21 · below normal
- LITTLE MISSOURI RIVER AT MEDORA, ND0633600023 cfsp34 · normal
- DEEP CREEK NEAR AMIDON, ND063357500 cfsp52 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-20 | 355 | 100 | 1/3 | p34 |
| 2026-10-19 | 355 | 100 | 1/3 | p34 |
| 2026-10-18 | 355 | 100 | 1/3 | p31 |
| 2026-10-17 | 355 | 100 | 2/3 | p24 |
| 2026-10-16 | 355 | 100 | 0/3 | p29 |
| 2026-10-15 | 358 | 100 | 1/3 | p30 |
| 2026-10-14 | 358 | 100 | 0/3 | p31 |
| 2026-10-13 | 358 | 100 | 0/3 | p36 |
| 2026-10-12 | 358 | 100 | 1/3 | p26 |
| 2026-10-11 | 358 | 100 | 3/3 | p10 |
| 2026-10-10 | 358 | 100 | 2/3 | p14 |
| 2026-10-09 | 358 | 100 | 2/3 | p18 |
| 2026-10-08 | 358 | 100 | 1/3 | p31 |
| 2026-10-07 | 358 | 100 | 1/3 | p31 |
Top water assets
- 67Little Missouri River At Medora, Ndriver
- 67Little Missouri River At Marmarth, Ndriver
- 65Williams Dam S Wreservoir
- 65Garner Creekriver
- 65Deep Creekriver
- 65Bullion Creekriver
- 65Stewart Damreservoir
- 65Deep Creekriver
- 65Little Missouri Riverriver
- 65Little Missouri Riverriver