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Green River Dry Fly Fishing Report & Flaming Gorge Dam Tailwaters

Green River Fly Fishing Guide Reports and Flaming Gorge Water Dam Flow Release

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Jun 15, 2026 | Green River Fly Fishing Guide Reports and Flaming Gorge Water Dam Flow Release

fly fishing

Water Flow Conditions

Flows remain swift at approximately 1,600 CFS. Wading is discouraged except in limited soft-water pockets. All drift boat float guests must wear PFDs provided at no extra charge. Water temperatures remain cold enough to pose a hypothermia risk with prolonged exposure.

Green River Fly Fishing Report

 

Flows

Flaming Gorge Dam is releasing approximately 1,600 CFS following the completion of the SMB experiment. Hourly fluctuations continue for power generation.

Water Temperature

The most recent verified water temperature reading is 55°F, which is ideal for trout feeding and supports strong hatch activity.

Water Clarity

Water conditions are clear to slightly tinted, providing excellent visibility and productive fishing conditions for both guided drift boat trips and private anglers.

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Current Hatches & Dry Fly Action

  • PMDs (#16–20) – Heavy morning and evening activity
  • Caddis (#18–20) – Strong evening hatches
  • Midges (#20–22) – Active during early morning and mid-day
  • Terrestrials (#12–16) – Productive during mid-day hours
  • Cicadas (#8–10) – Active from late morning through afternoon
  • Yellow Sallies (#14–16) – Light afternoon activity
  • BWOs (#20–22) – Best during overcast conditions

Best Fishing Windows

7:00 AM – 10:00 AM

PMD Hatch

11:00 AM – 2:00 PM

Terrestrial Fishing

5:00 PM – 8:00 PM

Caddis Hatch & PMD Spinner Fall

 

Recommended Fly Patterns

 

Nymphs

  • Tungsten Split Case PMD #20
  • Mercer Stealth PMD #20
  • Tailwater Sowbug #10
  • Wiggly Worm #8
  • Peacock Blowtorch #22–24

Dry Flies

  • Corn-Fed Caddis #20
  • PMD Emergers & Duns #16–20
  • Bionic Ant #16

Streamers

  • Sparkle Minnow Sculpin #6
  • Articulated Streamer Patterns (best during low-light periods)

 

Green river fly fishing guides with trophy wild brown trout ready to br safely released back into the green river.
2 Fly Fishing Guests With Their Local Dutch John Green River Fishing Guide Netting A Trophy-size Size Brown Trout During A Full Day Of Fly Fishing On The Green River Tail Waters Below Flaming Gorge Dam Just 2 Miles From Dutch John Resort.

Section Conditions

 

A Section

Strong seams and excellent PMD activity are creating productive dry-fly opportunities throughout the day.

B Section

Clear water conditions with productive nymphing and streamer fishing. Strong evening caddis hatches continue.

C Section

Deep slots are fishing well, with an excellent evening streamer bite providing opportunities for larger fish.

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