Generated wide-valley cottonwood and meadow river scene representing Idaho's Teton River, not an exact location photo
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Fly fishing report · West

Teton River Fishing Report — Idaho

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

See the flow chart ↓

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

Good day to fish?Latest river check
Poor

Not today. Make another plan.

No clear best access mode. Wade, Bank / edge, and Float have the same top score. Use current access, footing, weather, and local rules to choose.

See update time and confidence
Live data checkHighHow much of the live flow, weather, and alert data came back.
Today's callHighA verified hard stop is active, so the avoid-or-wait decision is clearer than the fishing score itself.
Score calculated Aug 22, 2026, 8:21 PM MDTUsually checks again about every 45 minutes
Access choicesNo clear best mode

Wade, Bank / edge, and Float have the same top score. Use current access, footing, weather, and local rules to choose.

Wade0/100

Wading is the most sensitive plan today. Use protected edges only, avoid crossings, and downgrade quickly if clarity or current feels wrong.

Bank / edgeNot recommended

This report does not recommend bank fishing on this reach.

Float0/100

A float can fit better than wading only if launches, shuttle, boat skill, wind, and local rules all check out.

Before you go

Red Flag Warning issued August 22 at 1:41PM MDT until August 22 at 9:00PM MDT by NWS Pocatello ID

Your plan

Today's Teton River plan.

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.

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.

Live river check

What the river is doing

Check the latest flow and weather before you go. A quick change can make the river harder or less safe to fish.

Showing the latest stored river check while current readings load.
Flow
478 cfs
From the latest stored river check. Open the official source for the newest reading.
Air now
81°F

Current NWS forecast period

Next 24h high
85.0°F

NWS air forecast near

Rain chance
37%

For this forecast period

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

Chance Showers And Thunderstorms

Chance Showers And Thunderstorms

Wind
9 mph
Weather checked

Recent flow chart is loading

The latest stored reading is shown above. Check the official source below if you need the newest value now.

More forecast and source details
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

How to fish it

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.

01

Stable moderate valley flow

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

02

Low clear summer flow

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

03

Windy open-valley conditions

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

04

Warm or weedy late-summer afternoons

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

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

Public alertHurts

An active alert is in effect: Red Flag Warning issued August 22 at 1:41PM MDT until August 22 at 9:00PM MDT by NWS Pocatello ID. Check public safety sources before going.

Best mode nowHurts

Wade: Wading is the most sensitive plan today. Use protected edges only, avoid crossings, and downgrade quickly if clarity or current feels wrong.

FlowUse caution

USGS shows 478 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 676 cfs and a low-water marker near 510 cfs; today's flow is unusually low for the date. Low water can make fish spooky, warm, pressured, or concentrated; check temperature and handling risk.

HeatUse caution

The current NWS air forecast is about 81F, and the next 24-hour high reaches about 85F. This is an air forecast, not a water-temperature reading. Fish early and check the river with a stream thermometer.

Short-term weatherUse caution

The forecast has storm or heavy-precipitation risk, so timing and access matter more than the score alone.

Trip notes

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.

What to try

Teton River flies through the year.

Match the time of year, then let rising fish and current speed guide the next change.

SeasonWhat to look forFlies to try

Each fly name opens its matching Fly Box guide.

Access and safety

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. 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.

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.

Compare another river

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

River sources

Official Teton River sources.

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

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.

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.

Quick answers

Quick Teton River answers.

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.