Today's Read
Clear morning conditions and low water temperature point to subsurface activity in slow spring creek runs. Baetis and midges offer the most reliable trout-food opportunities on the Henry’s Fork.
Last Chance to Ashton, Idaho
Best Flies For Henry's Fork
Dead drift with a long leader and micro-indicators to match steady currents.
Forecast timing & sources
- Forecast generated
- Sep 14, 2026, 7:00 AM MDT
- Valid until
- Sep 15, 2026, 7:00 AM MDT
- Source updated
- Sep 14, 2026, 7:00 AM MDT
- Flow observation
- Observed Sep 14, 2026, 6:45 AM MDT
- Water temperature observation
- Observed Sep 14, 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
Baetis, size 16-20, Afternoon (2:00 PM–6:00 PM)
Juju Baetis, size 16-20, dry; Pheasant Tail, size 16-20, dry; Sparkle Baetis Nymph, size 16-20, dry
Midges, size 18-22, Midday (10:00 AM–2:00 PM)
Zebra Midge, size 18-22, dry; WD-40, size 18-22, dry; Griffiths Gnat, size 18-22, dry
Caddis, size 16-18, Afternoon (2:00 PM–6:00 PM)
Elk Hair Caddis, size 16-18, dry; Caddis Pupa, size 16-18, dry; Deep Sparkle Pupa, size 16-18, dry
Tricos, size 20-22, Variable
No matching fly supplied
Terrestrials, size 14-16, Variable
No matching fly supplied
How To Fish These Flies
- Dead drift with a long leader and micro-indicators to match steady currents.
- Use Technical Nymphing.
- Favor Sparse, natural coloration, tungsten bead for quick depth.
Current Conditions
Flow1,120 cfs and falling
Water TempUnavailable
WeatherClear Night
Rating7/10 · Good
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