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Generated wide-valley cottonwood and meadow river scene representing Idaho's Teton River, not an exact location photo
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Teton River Fishing Report — Idaho

Generated artwork: BlueStreamFly · Regional illustration; not the exact location.

Should I go fishing?

Check the water temperature first.

Water temperature is unconfirmed. Use a stream thermometer; stop trout fishing at 70°F or warmer, or sooner if fish show stress.

Rating updatedRiver local time:

Why this recommendation?

USGS shows 507 cfs. The flow has been stable over about 6 hours. USGS marks this reading provisional and may revise it. USGS records for this date (1891-2025, 113 readings) show a median near 620 cfs and the lower quartile near 533 cfs; today's flow is below normal for the date. This is below normal, so edge depth, temperature, and pressure matter.

Available live dataHighHow much of the live flow, weather, and alert data came back.
Confidence in this recommendationMediumWater temperature not verified; do not use this score to clear warm-water risk.
Usually checks again about every 45 minutes

If you go

Check first
Idaho Fish and Game lists the Teton as a recommended fishing water and the current rules allow no harvest of cutthroat trout plus unlimited harvest of rainbow trout and trout hybrids on the main stem.
Try
Use the lower St. Anthony gauge to decide whether the river still has enough shape for a full-day main-stem plan, then choose access accordingly.
Leave when
Skip when hot weather, weeds, or low late-summer water flatten the river, or when wind is strong enough that you cannot control a boat or a long leader.

Flow and weather

Showing server-checked river conditions while current readings refresh.
Flow
507 cfs
From the latest stored river check. Open the official source for the newest reading.
Air forecast
60°F
Next 24h high
79.0°F

NWS air forecast near

Rain chance
0%

This is an air forecast, not a river-temperature reading. Check the water with a stream thermometer before fishing in hot weather.

Latest stored weather check

Partly Cloudy

Wind
9 mph
Weather checked
More forecast and source details

Partly Cloudy

National Weather Service

Teton River near St. Anthony forecast point

The National Weather Service forecast is temporarily unavailable.

Live data

Where these readings come from

RiverReports gauge: Teton River near St. Anthony

Official USGS station Opens in a new tab.RiverReports gauge Opens in a new tab.Official NWS forecast Opens in a new tab.

Flies for this time of year

Seasonal starting points, not a live hatch report. Match what you see on the water.

See flies for every season
SeasonWhat to look forFlies to try

Each fly name opens its matching Fly Box guide.

More fishing tips

Methods, fish species and trip notes

How to fish Teton River today.

This page fishes best as a shoulder-to-summer timing river: spring after runoff settles, early summer before weeds and irrigation shape the valley too hard, and cooler fall windows when wind and water temperatures cooperate.

Stable moderate valley flow

Best for float-style coverage, meadow-bank nymphing, and dry-dropper fishing where side channels still have life.

Low clear summer flow

Fish early, fish lighter, and focus on undercut banks or deeper meadow bends instead of broad shallow glides.

Windy open-valley conditions

Expect reduced dry-fly control and tougher rowing or wading visibility. Simplify the day around protected bends.

Warm or weedy late-summer afternoons

Carry a thermometer and end the trip when the river stops feeling like cutthroat water.

Wading, bank fishing or floating?
Access choicesNo single best option

Wading and Floating have the same top score. Use current access, footing, weather, and local rules to choose.

Wading74/100

Wading is in play only where your chosen access has clear footing, legal entry, and no forced crossings.

Bank fishingNot recommended

This report does not recommend bank fishing on this reach.

Floating74/100

A float is in play where this report supports boat access and wind, releases, and shuttle logistics are manageable.

Full river report

Is Teton River worth the trip today? Check flow, weather, hatches, access, and rules for Idaho before you go.

The main-stem Teton is most useful when upper-valley and lower-valley flows agree enough to keep side channels connected, cutbanks defined, and grass-bank bankside seams moving cleanly. It loses value fast when heat, weeds, and low late-summer volume flatten the meadow water or when wind turns the open valley into a difficult drift.

Fishing words used on this page
U.S. Geological Survey (USGS) gauge
A USGS gauge is an official river station that measures flow or water height.
Cubic feet per second (cfs)
Cubic feet per second, or cfs, shows how much water passes the gauge each second.
Nymph
A nymph is a young water insect. Anglers also use the word for a fly that copies it.
Seam
A seam is the line where fast and slow water meet.
Attractor fly
An attractor fly is bright or bold. It draws a strike without copying one exact insect.
Blue-winged olive (BWO)
Blue-winged olives, or BWOs, are small mayflies that often hatch in cool or cloudy weather.
Caddis
Caddis are small water insects. The adults look a little like tiny moths.
Dry-dropper
A dry-dropper rig has a floating fly with an underwater fly tied below it.
Emerger
An emerger copies an insect as it rises from below the water toward the surface.
Midge
Midges are tiny flies and a common trout food, especially in cold water.
Why this call

Why this score

FlowUse caution

USGS shows 507 cfs. The flow has been stable over about 6 hours. USGS marks this reading provisional and may revise it. USGS records for this date (1891-2025, 113 readings) show a median near 620 cfs and the lower quartile near 533 cfs; today's flow is below normal for the date. This is below normal, so edge depth, temperature, and pressure matter.

SeasonHelps

Fall: A strong reset when cooler nights bring better water temperatures and steadier meadow fishing windows.

WeatherHelps

The current NWS air forecast is about 60F, and the next 24-hour high reaches about 79F. Partly Cloudy.

Public alertsHelps

No active NWS alert was returned for this forecast point.

Fishing usefulnessHelps

Skip when hot weather, weeds, or low late-summer water flatten the river, or when wind is strong enough that you cannot control a boat or a long leader.

Trip notes

Check these before you choose a reach.

Best flows

Stable moderate valley flows that keep side channels connected, banks defined, and enough water over meadow shelves to drift a dry-dropper or nymph rig cleanly.

When to leave

Skip when hot weather, weeds, or low late-summer water flatten the river, or when wind is strong enough that you cannot control a boat or a long leader.

Local plan

Compare the St. Anthony and Driggs gauges, choose one reach family for the day, launch from a named bridge access, and plan to quit before the river warms out.

Backup water

If the Teton turns too windy, weedy, or warm, pivot to Henry's Fork, the South Fork of the Snake, or an upper-valley half day on the Driggs reach after checking current conditions.

Teton River access and rules.

Use these places as starting points. Open the access link below and check posted signs before you park or enter.

Before you go

Idaho Fish and Game's current Teton River rules allow no harvest of cutthroat trout and no limit on rainbow trout or trout hybrids on the main stem. Smaller streams follow separate restrictions, including a June 1 through June 30 fishing closure.

Where to access the river

Bates Bridge

Official Idaho Fish and Game access roughly 4 miles west of Driggs on the east bank of the Teton River.

Harrops Bridge

Official Idaho Fish and Game bridge access in Teton County with a gravel boat ramp and day-use rules.

Rainey Bridge / Cache Bridge area

Listed in Idaho Fish and Game's Upper Snake access guide and useful for longer upper-valley river days.

Teton Dam

The clearest official lower-river access anchor near the St. Anthony side of the basin.

  • The Teton has real public access, but the river is still a private-land valley system, so bridge launches and named access sites matter.
  • Upper-river bridge sites fish differently from the lower valley. Pick the reach that matches the day's flows rather than assuming the whole river is interchangeable.
  • Boat access does not automatically mean easy floating in every condition. Low water, grass, and wind can shrink the practical float window quickly.

If this water does not fit the day, check another report before you start the drive.

IdahoTeton River fishing reportA more upper-valley version of the same drainage when you want the South Leigh gauge to drive the whole day.IdahoHenry's Fork of the Snake River fishing reportA more famous and often steadier option when you want more defined hatches and classic float infrastructure.IdahoSouth Fork of the Snake River fishing reportA larger tailwater-style backup when Teton valley wind or low water pushes you elsewhere.
See all Idaho fly fishing reports

Sources and report details

Official agencies and primary river operators come first. Secondary tools are labeled so you know what carries the most weight.

Rules and closures

Check what is allowed, where the rule applies, and whether the river is open.

Flow and weather

Check the latest river reading and forecast before you leave.

Access and land

Check public entry points, land rules, and seasonal access changes.

More helpful links

Use these links for stocking, safety, and other local details.

See all 10 checked sources

Rules and closures

Check what is allowed, where the rule applies, and whether the river is open.

Flow and weather

Check the latest river reading and forecast before you leave.

Access and land

Check public entry points, land rules, and seasonal access changes.

More helpful links

Use these links for stocking, safety, and other local details.

Source check is old. Last checked . Open the official links now and check for changes.

See something wrong? Report a source problem. Please do not send private spots or private access notes.

How this report was checked

How this report was checked

Trip guidance checked

What was checked: This report uses official regulation, flow, weather, access, and public-land sources first, then adds practical planning guidance for fly anglers.

Live measurements and forecasts keep their provider timestamps. Rules, access, and trip guidance use the source-review date shown here. BlueStreamFly planning advice is editorial interpretation, not an agency notice.

First-hand experience: BlueStreamFly does not claim a first-hand visit or local field test for this report unless a real contributor is explicitly named and linked.

Quick questions

What is the most useful Teton River gauge?

For this full-river page, start with RiverReports and USGS 13055000 near St. Anthony, then compare it to USGS 13052200 near Driggs if you are choosing between upper and lower valley water.

Can I keep cutthroat trout on the Teton River?

No. Current Idaho Fish and Game rules say there is no harvest of cutthroat trout on the main-stem Teton River.

When should I skip the Teton River?

Skip when the valley is running hot, low, or weedy enough to flatten the trout water, or when all-day wind will keep you from fishing the meadow seams cleanly.