Beaver Creek above Conf near Fork Humboldt River near Halleck
Beaver Creek · Sierra / West · USGS gage 10317480
Trout (marginal) (summer mean 18.5°C — trout, warm in summer).
Water
51°F
Flow
53 cfs
Air
89°F
Sky
0%
Pressure
29.56 in
Wind
16 mph
Predicted hatches · 2026-08-03
PredictedMidgeChironomidae0.51
Predicted by conditions; no reports yet. water 10.4°C (51°F) is cooling past the prime band (1-10°C); shoulder of the season; low pressure — fish looking up; 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.