Today's Read
Clear, cold late-October conditions on the Henry's Fork mean trout will be feeding softly beneath the surface. Midges and small Baetis nymphs offer the most reliable subsurface opportunities.
Last Chance to Ashton, Idaho
Best Flies For Henry's Fork
Use a long, fine leader with a delicate presentation in slow spring creek runs. Keep dead drifts drag-free.
Forecast timing & sources
- Forecast generated
- Oct 29, 2026, 7:00 AM MDT
- Valid until
- Oct 30, 2026, 7:00 AM MDT
- Source updated
- Oct 29, 2026, 7:00 AM MDT
- Flow observation
- Observed Oct 29, 2026, 6:45 AM MDT
- Water temperature observation
- Observed Oct 29, 2026, 6:45 AM MDT
Buggin combines river and weather signals into a fishing forecast. A rating is model guidance, not a catch guarantee. Observation times can differ from forecast generation.
Configured gauge: Henrys Fork near Island Park · 13039000. The forecast point may differ from the gauge location.
Bugs & Best Matches
What's active
Fish this
Midges, size 18-22, Afternoon (2:00 PM–6:00 PM)
Zebra Midge, size 18-22, nymph; Griffiths Gnat, size 18-22, dry; Disco Midge, size 18-22
BWOs, size 16-20, Afternoon (2:00 PM–6:00 PM)
RS2, size 16-20, emerger; Pheasant Tail, size 16-20, nymph; BWO Sparkle Dun, size 16-20
Caddis, size 16-18, Afternoon (2:00 PM–6:00 PM)
Green Larva, size 16-18; Elk Hair Caddis, size 16-18, dry; Caddis Pupa, size 16-18, nymph
Scuds, size 14-18, Evening (6:00 PM–10:00 PM)
No matching fly supplied
Little Black Stones, size 16-18, Midday (10:00 AM–2:00 PM)
No matching fly supplied
How To Fish These Flies
- Use a long, fine leader with a delicate presentation in slow spring creek runs. Keep dead drifts drag-free.
- Use Subsurface Technical Nymphing.
- Favor Small, unweighted, realistic silhouettes with micro-beads.
Current Conditions
Flow84 cfs and falling
Water TempUnavailable
WeatherClear Night
Rating6/10 · Fair
More On Henry's Fork
Related Rivers