Pine River At High School Bridge near Hoxeyville
Pine River · Driftless / Midwest · USGS gage 04125460
Coldwater (summer mean 15.9°C — prime coldwater).
Water
54°F
Flow
211 cfs
Air
58°F
Sky
100%
Pressure
29.98 in
Wind
14 mph
Predicted hatches · 2026-09-15
PredictedBlue-Winged OliveBaetis spp.0.31
water 12.4°C (54°F) is cooling past the prime band (6-11°C); shoulder of the season; 8 days sustained ≥4°C; overcast skies favor it; watch midday, especially overcast afternoons.
flies: BWO Sparkle Dun #18-22, RS2, Pheasant Tail #18
PredictedMidgeChironomidae0.30
water 12.4°C (54°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.