Fall Creek below Winberry Creek, Near Fall Creek
Fall Creek · Pacific NW · USGS gage 14151000
Coldwater (summer mean 14.0°C — prime coldwater).
Water
58°F
Flow
194 cfs
Air
40°F
Sky
26%
Pressure
29.93 in
Wind
4 mph
Predicted hatches · 2026-10-31
PredictedMidgeChironomidae0.15
water 14.2°C (58°F) is cooling past the prime band (1-10°C); shoulder of the season; 8 days sustained ≥0°C; 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.