Middle Fork Flathead HUC8 17010207
A 2,939 km² sub-basin of the Pacific Northwest region in MT. 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
79
Healthy
Drought index
100
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 1 reporting
Median flow
97%
p47 of record
Water assets
509
1 springs · 9 wells
USGS gauges (2)
- M F Flathead River near West Glacier MT12358500802 cfsp47 · normal
- McDonald Creek at Apgar, MT12358000138 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 100 | 0 | 0/1 | p47 |
Top water assets
- 69Strawberry Creekriver
- 69Clack Creekriver
- 69Clack Creekriver
- 69Autumn Creekriver
- 69Strawberry Creekriver
- 69Morrison Creekriver
- 69Dodge Creekriver
- 69Winter Creekriver
- 69East Fork Strawberry Creekriver
- 69Basin Creekriver