Middle Fork Willamette River near Oakridge
Middle Fork Willamette River · Pacific NW · USGS gage 14144800
Coldwater (summer mean 14.4°C — prime coldwater).
Water
41°F
Flow
309 cfs
Air
88°F
Sky
26%
Predicted hatches · 2026-06-15
PredictedMidgeChironomidae0.50
Predicted by conditions; no reports yet. water 5.2°C (41°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.