Stanislaus River at Ripon
Stanislaus River · Sierra / West · USGS gage 11303000
Trout (marginal) (summer mean 20.3°C — trout, warm in summer).
Water
n/a
Flow
n/a
Air
70°F
Sky
21%
Pressure
29.83 in
Wind
6 mph
Predicted hatches · 2026-09-15
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.