Fly Fish ForecastBeta

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

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Green River Near La Barge

Green River · Rockies · USGS gage 09209400

Trout (marginal) (summer mean 18.9°C — trout, warm in summer).

Water
32°F
Flow
1,380 cfs
Air
72°F
Sky
0%
Predicted hatches · 2026-06-15

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.