Introduction

The top 5 Wyoming rivers this week are fishing better than most anglers expect for mid-December. I watched midges pop in a Miracle Mile tailout last Thursday while frost still clung to the willows, and it reminded me why winter windows are worth chasing. Each river below has steady flows, clear water, and enough insect activity to keep trout feeding. Use this top 5 Wyoming rivers this week report to lock in a primary plan and a backup before the next cold front.

Call to Action: Pick one river tonight, check flows, and fish it within 48 hours.

Updated: December 15, 2025 with live condition scores from FlyGuysNLies.com.

Conditions at a Glance

RiverRegionFlow & TrendRatingHot Patterns
North Platte River – Miracle MileCentral Wyoming634 CFS • Rising5/5 ExcellentZebra Midge, Rainbow Warrior
North Platte River – Fremont CanyonCentral Wyoming69 CFS • Stable5/5 ExcellentPheasant Tail Jig, Pat’s Rubber Legs
North Platte River – Grey ReefCentral Wyoming501 CFS • Stable5/5 ExcellentZebra Midge, Scud
Snake River – Jackson LakeNorthwest Wyoming289 CFS • Stable4/5 GoodHare’s Ear Jig, Rainbow Warrior
Salt RiverNorthwest Wyoming410 CFS • Falling4/5 GoodGriffith’s Gnat, Zebra Midge

1. North Platte River – Miracle Mile

top 5 Wyoming rivers this week

Current Flow: 634 CFS (normal) Trend: Rising Condition Rating: Excellent (5/5)

What’s Working Now: Midges and small mayflies dominate. Start with a two-fly nymph rig, then swing a small streamer late in the afternoon. The best window is late morning to early afternoon once the sun hits the water.

Top Flies: Zebra Midge, Pheasant Tail Jig, Rainbow Warrior, Pat’s Rubber Legs

View the Miracle Mile report →

2. North Platte River – Fremont Canyon

Cold-weather tailwater below Fremont Canyon

Current Flow: 69 CFS (normal) Trend: Stable Condition Rating: Excellent (5/5)

What’s Working Now: Clear water favors precise presentations. Keep drifts tight to seams and switch to lighter split shot if you start ticking rocks. The most consistent bite happens once the canyon warms slightly.

Top Flies: Pheasant Tail Jig, Zebra Midge, Top Secret Midge, Pat’s Rubber Legs

View the Fremont Canyon report →

3. North Platte River – Grey Reef

Drift boat on the North Platte River at Grey Reef

Current Flow: 501 CFS (normal) Trend: Stable Condition Rating: Excellent (5/5)

What’s Working Now: Grey Reef stays steady with deep nymph rigs and small emergers. Focus on tailouts and slower seams where trout stack in winter. If you see a brief surface push, be ready with a BWO emerger.

Top Flies: Zebra Midge, Scud, Rainbow Warrior, BWO Emerger

View the Grey Reef report →

4. Snake River – Jackson Lake

Wyoming winter river near Jackson Lake

Current Flow: 289 CFS (low) Trend: Stable Condition Rating: Good (4/5)

What’s Working Now: Tailwater stability keeps midges active. Work slower seams and avoid moving too fast; the fish slide into softer water this time of year. Expect short, steady feeding windows.

Top Flies: Hare’s Ear Jig, Zebra Midge, Rainbow Warrior, Pat’s Rubber Legs

View the Jackson Lake report →

5. Salt River

Snowy banks along the Salt River

Current Flow: 410 CFS (normal) Trend: Falling Condition Rating: Good (4/5)

What’s Working Now: Winter freestone conditions call for slow drifts in deeper pools. Concentrate on protected bends and use longer tippet when the water is glassy.

Top Flies: Griffith’s Gnat, Zebra Midge, Pheasant Tail, Pat’s Rubber Legs

View the Salt River report →

Wyoming Rivers This Week: Fishing Outlook

These top 5 Wyoming rivers this week are producing with consistent flows, clear water, and active midges. Expect the strongest action from late morning through early afternoon when the water warms slightly. If you only fish one day, use the top 5 Wyoming rivers this week list as your priority order.

Why These Wyoming Fly Fishing Rivers Are Peaking

This Wyoming river fishing report leans on the same signals every winter: stable releases, clean water, and predictable insect timing. When those line up, you get the best Wyoming fly fishing windows of the season, even if the air feels brutal. The five stretches above are the Wyoming fly fishing rivers that stay fishable when other systems lock up.

If you are building a Wyoming fly fishing guide for your own trips, treat this list as the core. Each river here holds fish in slower winter lanes and offers consistent access points you can reach without long hikes. That combination is why these are the top picks for current Wyoming fishing conditions.

Winter Playbook for This Week

  • Fish the warmest stretch first, then return to it for the last light window.
  • Shorten your drifts and reset often instead of hiking long distances.
  • Run a two-fly nymph rig, then swap to a small streamer when clouds build.
  • Extend to 5X or 6X if the water is clear and pressure is high.
  • Keep an eye on shelf ice near the banks, especially late in the day.

Midweek Tactics That Keep Fish Biting

If you can fish outside the weekend rush, midweek windows are money. I plan for shorter sessions and focus on one run at a time, which keeps drifts cleaner and avoids wasting energy hiking long sections. Start with a confidence nymph rig, then rotate one fly every 20 minutes if you are not getting touches. That rhythm keeps you engaged and helps you find the exact depth band where winter fish are stacked.

When wind picks up, drop to inside seams and fish closer. When the sun breaks out, expect a short midge pop that is worth swapping to a tiny emerger. And if snow is falling, stay on the water anyway. Some of the best Wyoming fishing conditions show up when the road feels empty and the bank grass is frosted.

Before You Go

  • Verify access and parking on each river page (links above).
  • Review Wyoming Game and Fish regulations before you travel.
  • Bring layers and hand warmers for cold mornings.
  • Respect private land boundaries and posted signs.

Conclusion

The top 5 Wyoming rivers this week deliver the best winter fly fishing opportunities across the state. Fish the mid-day window, keep your drifts slow, and use these river reports to stay one step ahead.

— The FlyGuysNLies Team

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