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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Mf Nooksack River Near Deming

Mf Nooksack River · Pacific NW · USGS gage 12208000

Coldwater (summer mean 10.0°C — prime coldwater).

Water
45°F
Flow
354 cfs
Air
79°F
Sky
100%
Predicted hatches · 2026-06-15
PredictedMidgeChironomidae0.50
Predicted by conditions; no reports yet. water 7.4°C (45°F) sits in the prime band (1-10°C); shoulder of the season; watch midday, especially cold months.
flies: Zebra Midge #18-22, Griffith's Gnat, Disco Midge

PREDICTED from the first-principles model only. Report-confirmed signal (fly-shop & forum reports) is the next milestone.