Gallatin River at Logan
Gallatin River · Montana · USGS gage 06052500
Lower Gallatin near Logan / Three Forks. Freestone trout water; warms in summer.
Water
n/a
Flow
750 cfs
Air
33°F
Sky
50%
Pressure
29.97 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.