Fish Creek At Wilson
Fish Creek · Rockies · USGS gage 13016450
Coldwater (summer mean 13.4°C — prime coldwater).
Water
58°F
Flow
368 cfs
Air
61°F
Sky
0%
Pressure
29.93 in
Wind
8 mph
Predicted hatches · 2026-09-17
PredictedSpotted / Summer CaddisHydropsyche spp.0.50
Predicted by conditions; no reports yet. water 14.3°C (58°F) sits in the prime band (14-19°C); shoulder of the season; 8 days sustained ≥12°C; watch evening, last hour of light.
flies: Elk Hair Caddis #14-16, Iris Caddis, X-Caddis
PREDICTED from the first-principles model only. Report-confirmed signal (fly-shop & forum reports) is the next milestone.