Trinity River at Lewiston
Trinity River · Sierra / West · USGS gage 11525500
Coldwater (summer mean 11.1°C — prime coldwater).
Water
n/a
Flow
n/a
Air
65°F
Sky
0%
Pressure
29.85 in
Wind
5 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.