Little Lehigh Creek Near Allentown
Little Lehigh Creek · Northeast · USGS gage 01451500
Trout (marginal) (summer mean 19.1°C — trout, warm in summer).
Water
50°F
Flow
42 cfs
Air
42°F
Sky
100%
Pressure
30.42 in
Wind
5 mph
Predicted hatches · 2026-11-02
PredictedBlue-Winged OliveBaetis spp.0.52
Predicted by conditions; no reports yet. water 9.8°C (50°F) sits in the prime band (6-11°C); shoulder of the season; 8 days sustained ≥4°C; overcast skies favor it; bright high pressure — tougher; watch midday, especially overcast afternoons.
flies: BWO Sparkle Dun #18-22, RS2, Pheasant Tail #18
PredictedMidgeChironomidae0.45
Predicted by conditions; no reports yet. water 9.8°C (50°F) sits in the prime band (1-10°C); shoulder of the season; 8 days sustained ≥0°C; bright high pressure — tougher; 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.