Upper Belle Fourche HUC8 10120201
A 7,608 km² sub-basin of the Missouri region in SD, 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
60
Moderate
Drought index
346
Extreme
Area in D2+
98.72%
0% exceptional (D4)
Gauges below normal
0%
of 1 reporting
Median flow
108%
p52 of record
Water assets
2,954
11 springs · 564 wells
USGS gauges (1)
- BELLE FOURCHE RIVER BELOW MOORCROFT, WY064265003 cfsp52 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-21 | 346 | 98.72 | 0/1 | p52 |
| 2026-10-20 | 346 | 98.72 | 0/1 | p58 |
| 2026-10-19 | 346 | 98.72 | 0/1 | p49 |
| 2026-10-18 | 346 | 98.72 | 0/1 | p48 |
| 2026-10-17 | 346 | 98.72 | 0/1 | p48 |
| 2026-10-16 | 346 | 98.72 | 0/1 | p51 |
| 2026-10-15 | 346 | 98.72 | 0/1 | p55 |
| 2026-10-14 | 346 | 98.72 | 0/1 | p53 |
| 2026-10-13 | 346 | 98.72 | 0/1 | p53 |
| 2026-10-12 | 346 | 98.72 | 0/1 | p53 |
| 2026-10-11 | 346 | 98.72 | 0/1 | p52 |
| 2026-10-10 | 346 | 98.72 | 0/1 | p50 |
| 2026-10-09 | 346 | 98.72 | 0/1 | p49 |
| 2026-10-08 | 346 | 98.72 | 0/1 | p46 |
Top water assets
- 76Minnelusa Formation Fossil Aquifer — Powder River Basinfossil_water
- 69Soldier Creekriver
- 69Soldier Creekriver
- 69Soldier Creekriver
- 69Soldier Creekriver
- 69Beaver Creekriver
- 69Houston Creekriver
- 69Inyan Kara Creekriver
- 69Beaver Creekriver
- 69Soldier Creekriver