Wading is the most sensitive plan today. Use protected edges only, avoid crossings, and downgrade quickly if clarity or current feels wrong.
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.
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
Wade, Bank / edge, and Float have the same top score. Use current access, footing, weather, and local rules to choose.
This report does not recommend bank fishing on this reach.
A float can fit better than wading only if launches, shuttle, boat skill, wind, and local rules all check out.
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.
- 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.
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
Teton River near St. Anthony forecast point
The National Weather Service forecast is temporarily unavailable.
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.
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.
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
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.
Wade: Wading is the most sensitive plan today. Use protected edges only, avoid crossings, and downgrade quickly if clarity or current feels wrong.
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.
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.
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.
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.
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.
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.
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.
Also try small dropper nymph
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.
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
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.
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.
What this source covers
Open the current rules and check the river section, season, and special limits.
Flow and weather
Check the latest river reading and forecast before you leave.
What this source covers
Open this page and check the latest safety advice before your trip.
What this source covers
Open this river reading to check the latest level, flow, and update time.
What this source covers
Open this river reading to check the latest level, flow, and update time.
What this source covers
Open this river reading to check the latest level, flow, and update time.
Access and land
Check public entry points, land rules, and seasonal access changes.
What this source covers
Open the land or access page, then check signs before you park or enter.
What this source covers
Open the land or access page, then check signs before you park or enter.
What this source covers
Open the land or access page, then check signs before you park or enter.
What this source covers
Open the land or access page, then check signs before you park or enter.
More helpful links
Use these links for stocking, safety, and other local details.
What this source covers
Open this page for more river information and check when it was last updated.
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.














