Wyoming Fishing Reports

Wyoming means trout at scale: the North Platte's Grey Reef tailwater grows rainbows like a hatchery with rapids, the Bighorn and Wind River systems add canyon water, and the high country holds golden trout lakes that require boots and ambition. Uncrowded is the default.

Reports current for Friday, October 23

Is it worth going out in Wyoming today?

Every one of the 13 Wyoming waters we cover has a live read this morning. 1 is scoring 4 out of 5 or better and 6 are slow. Water runs 47 F to 62 F. Pressure is holding steady on most of them, so the day comes down to water temperature and wind. 4 have a better-than-even chance of rain.

Best right now: Glendo Reservoir 4/5, Bighorn Lake 3/5, Flaming Gorge Reservoir 3/5

· statewide average 2.6/5 · scored from live gauge and weather data, regenerated every half hour

Tap a dot to open that water's report

Today on Wyoming's waters

Live verdicts from this morning's reports.

North Platte River (Grey Reef)

Natrona County · River
2/5 Slow. The wind owns today.

The North Platte below Gray Reef Dam in Natrona County: a tailwater with its own 2026 Wyoming rules and public access areas toward Casper.

Flaming Gorge Reservoir

Sweetwater County · Reservoir
3/5 Fair. Fish the windows.

The two-state canyon sea: record-book lake trout, kokanee clouds and the Green River's emerald tailwater pouring out the bottom.

Jackson Lake

Teton County · Reservoir
3/5 Fair. Fish the windows.

Jackson Lake: Grand Teton National Park's largest lake, a natural lake raised by a dam on the Snake River, fished under Wyoming licences and park limits for cutthroat and lake trout.

Boysen Reservoir

Fremont County · Reservoir
2/5 Slow. The wind owns today.

Wind River country: Boysen’s wind-swept water holds walleye, and the canyon below it holds trout worth the drive.

Seminoe Reservoir

Carbon County · Reservoir
2/5 Slow. The wind owns today.

Wyoming’s desert trout lake: Seminoe grows big rainbows and browns in the sagebrush, with walleye moving in.

Pathfinder Reservoir

Natrona County · Reservoir
2/5 Slow. The wind owns today.

One of Reclamation's first dams, in a granite canyon of the North Platte southwest of Casper, holding a reservoir where Wyoming Game and Fish stocks rainbow and cutthroat trout and kokanee.

Glendo Reservoir

Platte County · Reservoir
4/5 Good. Solid day ahead.

Glendo Reservoir: a Bureau of Reclamation lake on the North Platte inside Glendo State Park, which calls it one of Wyoming's top walleye fisheries.

Fremont Lake

Sublette County · Lake
3/5 Fair. Fish the windows.

Fremont Lake at the foot of the Wind River Range: lake, rainbow and brown trout and kokanee, with a Forest Service campground and ramp on the east shore.

Snake River

Teton County · River
3/5 Fair. Fish the windows.

The Snake River below Jackson Lake Dam: native Snake River cutthroat water through Grand Teton National Park, floated from launches the park names.

Green River

Lincoln County · River
3/5 Fair. Fish the windows.

Below Fontenelle: the Green runs big Wyoming trout through sagebrush canyon country.

Bighorn Lake

Big Horn County · Reservoir
3/5 Fair. Fish the windows.

Bighorn Lake: a reservoir of more than 70 miles in Bighorn Canyon National Recreation Area, from Wyoming into Montana, fished for walleye, trout, perch, crappie, catfish and ling.

Ocean Lake

Fremont County · Lake
2/5 Slow. The wind owns today.

Ocean Lake: a Riverton Reclamation Project lake inside an 11,505-acre Wyoming Game and Fish habitat area, managed for walleye with yearly fingerling stocking.

Wind River

Fremont County · River
2/5 Slow. The wind owns today.

A river across the reservation: the Wind runs trout from the Absarokas through a red-rock canyon.

Fishing license: Wyoming fishing license + conservation stamp, from WGFD. wgfd.wyo.gov

The Wyoming season, at a glance

Species activity across the state's covered waters. Peak of the year: April.

Species activity by month

1 = slow, 5 = peak. Current month highlighted.

J
F
M
A
M
J
J
A
S
O
N
D
Rainbow trout
Brown trout
Lake trout
Smallmouth bass
Northern pike
Yellow perch
SlowPeak

Typical water temperature

Seasonal surface curve for this state's dominant water type (estimated).

30405060JanMarMayJulSepNovOct, ~47 F now

Waters at a glance

WaterTypeCountyLive gaugePeak month
North Platte River (Grey Reef) fishing reportRiverNatronamodeledApr
Flaming Gorge Reservoir fishing reportReservoirSweetwatermodeledApr
Jackson Lake fishing reportReservoirTetonUSGSApr
Boysen Reservoir fishing reportReservoirFremontUSGSApr
Seminoe Reservoir fishing reportReservoirCarbonUSGSMay
Pathfinder Reservoir fishing reportReservoirNatronamodeledApr
Glendo Reservoir fishing reportReservoirPlatteUSGSApr
Fremont Lake fishing reportLakeSubletteUSGSApr
Snake River fishing reportRiverTetonUSGSApr
Green River fishing reportRiverLincolnUSGSApr
Bighorn Lake fishing reportReservoirBig HornUSGSApr
Ocean Lake fishing reportLakeFremontmodeledApr
Wind River fishing reportRiverFremontUSGSApr

Fishing Wyoming: the long view

The Platte system

Grey Reef is the headline: stable dam flows and endless scud beds produce 16-20 inch rainbows in absurd density, floated with rubber-legs and worms year-round. Upstream, the Miracle Mile between Kortes and Pathfinder offers bigger water and migratory browns; downstream, Fremont Canyon's pocket fishing rewards climbers. Casper has quietly become a fly-fishing town.

Beyond the Reef

The Wind River Range hides golden trout above 10,000 feet (a backpacking grail), the Snake's fine-spotted cutthroat define Jackson Hole, and Flaming Gorge's Wyoming arm holds lake trout of stunning size. Winter fishing continues on the tailwaters: 20-fish January days at the Reef surprise no local.

About fishing in Wyoming

When should I float Grey Reef?

It fishes year-round: April-May (pre-runoff) and October are prime, the famous "worm bite" follows spring flushing flows, and even January produces. Book shuttles in Casper or Alcova.

How this page was made. The daily report is computed by our scoring engine from live readings; nobody types it. The written guide was drafted with AI assistance. Unlike our newer pages, it does not yet list the official pages its facts were checked against: that audit is under way, and anything it cannot verify will be taken out. Pablo Ruiz Quintero sets every guideline, the data-verification system and the minimum standards a page must meet to be published, reviews page structure and approves what goes live; the responsibility is his, and the AI carries out the work. We work this way because it is how one person can keep every page current with named sources. Errors are published in the verification log; the full policy is in the editorial policy.