Cedar River Below Bear Creek Near Cedar Falls
Cedar River · Pacific NW · USGS gage 12114500
Coldwater (summer mean 11.7°C — prime coldwater).
Water
42°F
Flow
18 cfs
Air
38°F
Sky
30%
Pressure
29.95 in
Wind
2 mph
Predicted hatches · 2026-10-30
PredictedBlue-Winged OliveBaetis spp.0.65
Predicted by conditions; no reports yet. water 5.3°C (42°F) is warming toward the prime band (6-11°C); peak season; 2 days sustained ≥4°C; watch midday, especially overcast afternoons.
flies: BWO Sparkle Dun #18-22, RS2, Pheasant Tail #18
PredictedMidgeChironomidae0.50
Predicted by conditions; no reports yet. water 5.3°C (42°F) sits in the prime band (1-10°C); shoulder of the season; 2 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.