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
58°F
Sky
0%
Pressure
29.69 in
Wind
7 mph
Predicted hatches · 2026-06-18
PredictedMidgeChironomidae0.47
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; watch midday, especially cold months.
flies: Zebra Midge #18-22, Griffith's Gnat, Disco Midge
PredictedGreen DrakeDrunella spp.0.40
Predicted by conditions; no reports yet. water 10.4°C (51°F) is warming toward the prime band (11-15°C); peak season; watch midday, often cloudy.
flies: Green Drake Parachute #10-12, Cripple, Hares Ear #10
PREDICTED from the first-principles model only. Report-confirmed signal (fly-shop & forum reports) is the next milestone.