Williams Fork Near Parshall
Williams Fork · Rockies · USGS gage 09037500
Coldwater (summer mean 14.8°C — prime coldwater).
Water
n/a
Flow
18 cfs
Air
37°F
Sky
100%
Pressure
29.95 in
Wind
3 mph
Predicted hatches · 2026-10-30
No bugs scoring above the noise floor right now.
PREDICTED from the first-principles model only. Report-confirmed signal (fly-shop & forum reports) is the next milestone.