Top 5 Wyoming Rivers Fishing This Week | April 2026

The Encampment River is currently flowing at 169 cfs (normal) with a stable trend. Flows are fishable today. Water Temperature: 35°F (cold). The Verdict: Excellent Conditions This week’s forecast shows temperatures ranging from 44-57°F. Cooling temperatures may slow hatch activity.

Insect Activity: The Encampment is in a classic shoulder-season pattern at 169 cfs: cold mornings, short feeding windows, and a lot of the better fish still looking subsurface first. With snow and mixed weather on deck, a size 20 Rojo Midge or Top Secret Midge early, then a size 16 Silvey’s Caddis Pupa, size 18 Rainbow Warrior, or pink size 12 Squirmy Worm once the water warms a touch is the right progression. At this flow the river is very wadable, but the cold 35-degree water means the best bug movement should stack up from late morning into the first half of the afternoon rather than at daybreak.

Where to Fish: Fish the softer guts of knee-deep runs, the buckets below short riffles, and any bank seam with depth next to faster current. Encampment fish are rarely far from cover in late April, so work the first soft cushion instead of charging into mid-river too soon. A good practical move here is to start upstream with short drifts and keep your wading light, because at 169 cfs the prime lies are close and easy to step on.

Gear Tip: Start with a streamer rig in softer edges. Switch to a two-fly nymph rig and a yarn indicator as flows settle. A 9-foot 5X leader with light tippet keeps the rig natural in these flows.

Presentation: Start shallow, then add weight or depth as you move into deeper runs and pockets. Use longer drifts to cover tailouts and seam water.

Regulations: Artificial flies & lures only

The Green River is currently flowing at 336 cfs (normal) with a stable trend. Flows are fishable today. The Verdict: Excellent Conditions This week’s forecast shows temperatures ranging from 36-51°F. Cooling temperatures may slow hatch activity.

Insect Activity: The Green headwaters are cold, snowy, and steady at 336 cfs, which usually keeps the hatch game understated but the nymphing honest. Expect trout to favor midges and eggs most of the day, with a size 22 Top Secret Midge, size 20 Griffith’s Gnat, or size 14 Nuke Egg doing more work than a dry unless the weather briefly softens; if you want a second fly, a size 16 Garcia’s Mother’s Day Caddis or size 16 Klinkhammer Special is a good swing piece for the warmest hour. The whitefish-egg note matters in this section, so do not be shy about orange or pale egg tones when the water is still carrying that early-spring drift.

Where to Fish: Focus on the slower troughs beneath cutbanks, the walking-speed tailouts below riffles, and the inside bends where the current slides rather than pushes. At 336 cfs this upper river is fishable on foot, but it fishes like true headwater water: trout hold in compact slots, and a clean first drift is worth more than ten sloppy ones. Stay back from the lip of the pool, lengthen the leader, and pick apart the soft water on the near edge before you ever try the middle seam.

Gear Tip: Start with a streamer rig in softer edges. Switch to a two-fly nymph rig and a yarn indicator as flows settle. A 9-foot 5X leader with light tippet keeps the rig natural in these flows.

Presentation: Start shallow, then add weight or depth as you move into deeper runs and pockets. Use longer drifts to cover tailouts and seam water.

The Green River is currently flowing at 336 cfs (normal) with a stable trend. Flows are fishable today. The Verdict: Excellent Conditions This week’s forecast shows temperatures ranging from 42-58°F. Cooling temperatures may slow hatch activity.

Insect Activity: Warren Bridge should see the same 336 cfs base flow as the headwaters, but this stretch usually gives you a little broader, more even surface than the tighter upstream pocket water. Patchy morning fog and a chance of snow showers keep the dry-fly window narrow, so plan around size 18 Sparkle Dun, size 20 RS2, and size 20 Rojo Midge, then switch to a size 14 San Juan Worm or size 16 Silvey’s Caddis Pupa if the light stays flat. The fish here often wake up once the chill burns off, so the strongest feeding push is more likely around midday than first light.

Where to Fish: Work the long gravel-edge runs, seam lines below bridge structure, and the transitional water where riffled current smooths into a tailout. This section rewards anglers who cover water methodically, because fish can slide along the softer shelves instead of pinning to one tiny pocket. A practical tip is to keep your indicator farther from the flies than you think you need; the longer drift buys better depth control in the smoother Warren Bridge currents.

Gear Tip: Start with a streamer rig in softer edges. Switch to a two-fly nymph rig and a yarn indicator as flows settle. A 9-foot 5X leader with light tippet keeps the rig natural in these flows.

Presentation: Start shallow, then add weight or depth as you move into deeper runs and pockets. Use longer drifts to cover tailouts and seam water.

Regulations: Artificial flies & lures only

The Green River is currently flowing at 336 cfs (normal) with a stable trend. Flows are fishable today. The Verdict: Excellent Conditions This week’s forecast shows temperatures ranging from 42-59°F. Cooling temperatures may slow hatch activity.

Insect Activity: Daniel to La Barge is also sitting at 336 cfs, but this lower reach often fishes more like a broad food lane than a technical headwater, especially when spring moisture starts moving worms and eggs around. A size 12 Squirmy Worm, size 14 Egg Pattern, or size 8 Woolly Bugger deserves more time here than it would farther upstream, with size 20 Griffith’s Gnat and size 16 Parachute Adams reserved for the occasional softer surface window. With fog early and snow-shower chances later, this is a day to lead with bigger, easier-to-see subsurface food before getting cute.

Where to Fish: Look for slower outside-bank troughs, deeper bucket water below riffle drops, and any eddy seam where the main current sweeps past structure. At this flow you can wade selected edges, but the river is wide enough that some of the better drifts come from staying on the bank and working quartering presentations through the deeper lanes. If streamer anglers are in the boat or walking the softer banks, keep the Muddler Minnow or Clouser handy for the low-light start and the last hour before dark.

Gear Tip: Start with a streamer rig in softer edges. Switch to a two-fly nymph rig and a yarn indicator as flows settle. A 9-foot 5X leader with light tippet keeps the rig natural in these flows.

Presentation: Start shallow, then add weight or depth as you move into deeper runs and pockets. Use longer drifts to cover tailouts and seam water.

The Gros Ventre River is currently flowing at 528 cfs (normal) with a stable trend. Flows are fishable today. Water Temperature: 42°F (cold). The Verdict: Excellent Conditions This week’s forecast shows temperatures ranging from 45-61°F. Cooling temperatures may slow hatch activity.

Insect Activity: The Gros Ventre is the outlier this week at 528 cfs with a stronger push and more real bug variety than the other Wyoming picks. Midges are still dependable, but with streamer activity noted and water temps around 42 degrees, this is a good place to start with a size 6 Woolly Bugger or Muddler Minnow, then drop to a size 20 RS2, size 20 Top Secret Midge, or size 18 Klinkhammer Special when fish settle into feeding lanes. The slightly dropping flow and mixed sun-snow forecast should keep the best activity centered on the warmest midday window, especially where softer side channels collect drifting food.

Where to Fish: Concentrate on soft edges beside the heavier main push, side-channel slots, and the tail ends of deeper pools where trout can sit out of the current and still intercept food. At 528 cfs this reach has less forgiving wading than the Green or Encampment, so think in terms of fishing from stable gravel bars and picking apart reachable seams before stepping in. One practical edge here is to fish streamers tight to bank structure early, then come back through the same water with a small midge rig once the sun gets on it.

Gear Tip: Start with a streamer rig in softer edges. Switch to a two-fly nymph rig and a yarn indicator as flows settle. A 9-foot 5X leader with light tippet keeps the rig natural in these flows.

Presentation: Start shallow, then add weight or depth as you move into deeper runs and pockets. Use longer drifts to cover tailouts and seam water.

Regulations: General Area 1 regulations: 3 trout/day (streams), no more than 1 exceeding 16 inches, no more than 1 cutthroat exceeding 12 inches. Maximum 3…