▲ Fly Fish ForecastBeta

Hatch predictions for 300+ US rivers — built from live water & weather, then confirmed against real fly-shop reports.

← All rivers

Snake River At Lorenzo

Snake River · Rockies · USGS gage 13038500

Trout (marginal) (summer mean 16.7°C — trout, warm in summer).

Water
60°F
Flow
636 cfs
Air
36°F
Sky
3%
Pressure
29.89 in
Wind
4 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.