Lightning HUC8 10120105
A 2,598 km² sub-basin of the Missouri region in WY. Drought coverage is from the US Drought Monitor (map of 2026-09-01); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
48
Stressed
Drought index
300
Extreme
Area in D2+
100%
0% exceptional (D4)
Gauges below normal
—
no gauges reporting
Median flow
—
of normal for the date
Water assets
1,230
1 springs · 220 wells
USGS gauges (0)
No active discharge gauges in this sub-basin.
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 300 | 100 | — | — |
Top water assets
- 67Lightning Creekriver
- 67Box Creekriver
- 67Dry Creekriver
- 67Lightning Creekriver
- 67Twentymile Creekriver
- 67Box Creekriver
- 67Box Creekriver
- 67Walker Creekriver
- 67Dry Creekriver
- 67Box Creekriver