Big Hole River At Maiden Rock near Divide
Big Hole River · Rockies · USGS gage 06025250
Trout (marginal) (summer mean 16.9°C — trout, warm in summer).
Water
n/a
Flow
597 cfs
Air
36°F
Sky
53%
Pressure
29.93 in
Wind
7 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.