Big Hole River Near Glen
Big Hole River · Rockies · USGS gage 06026210
Trout (marginal) (summer mean 18.8°C — trout, warm in summer).
Water
n/a
Flow
679 cfs
Air
32°F
Sky
67%
Pressure
29.93 in
Wind
5 mph
Predicted hatches · 2026-10-30
No bugs scoring above the noise floor right now.
PREDICTED from the first-principles model only. Report-confirmed signal (fly-shop & forum reports) is the next milestone.