Wade0/100
Wading is the most sensitive plan today. Use protected edges only, avoid crossings, and downgrade quickly if clarity or current feels wrong.
All Idaho reports
Fly fishing report · West
South Teton River near Rexburg
Is South Teton River near Rexburg 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.
5
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, 8:24 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.
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.
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 South Teton River near Rexburg plan.
The South Teton near Rexburg can be useful when flows are clear, modest, and cool enough for careful trout fishing. The reach gets less attention than the main Teton, but that does not make it simple: smaller stream rules, low summer water, private edges, and small-water etiquette all matter.
- Check first
- RiverReports is the quick chart, backed by USGS 13055340 SF Teton River near Rexburg ID.
- Try
- Move slowly and fish upstream or quartering upstream so the first cast into each small pocket is useful.
- Leave when
- Skip when smaller stream rules are closed, water is muddy, or low warm conditions would stress trout.
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
- 15 cfs
- From the latest stored river check. Open the official source for the newest reading.
- Air now
- 76°F
Current NWS forecast period
- Next 24h high
- 86.0°F
NWS air forecast near
- Rain chance
- 30%
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
South Teton River near Rexburg forecast point
The National Weather Service forecast is temporarily unavailable.
Live data
Where these readings come from
RiverReports gauge: SF Teton River near Rexburg
How to fish it
How to fish South Teton River near Rexburg today.
The South Teton is best as a short, careful small-water plan when the gauge is steady, water is cool, and access is obvious. It loses value during low warm summer periods, high muddy pulses, or any time the legal season and cutthroat rules do not support the trip.
Clear modest flow
Best for short dry-dropper rigs, small nymphs, and careful bank approaches.
Low warm water
Usually a reason to fish early, shorten the session, or skip trout fishing entirely.
Muddy pulse
Wait for visibility to recover. Small smaller streams lose fishability quickly when stained.
Cool shoulder season
Can fish with nymphs and small streamers when rules and access allow.
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.
- 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.
- Indicator
- An indicator is a small floating marker that can show when a fish takes an underwater fly.
- Midge
- Midges are tiny flies and a common trout food, especially in cold water.
- Pale morning dun (PMD)
- Pale morning duns, or PMDs, are light-colored mayflies that often hatch in warmer months.
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 15 cfs. The flow has been falling about 54% over about 6 hours. USGS marks this reading provisional and may revise it. USGS records for this date (1983-2025, 42 readings) show a median near 80 cfs and the lower quartile near 30 cfs; today's flow is below normal for the date. This is below normal, so edge depth, temperature, and pressure matter.
HeatUse caution
The current NWS air forecast is about 76F, and the next 24-hour high reaches about 86F. 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.
Clear, modest flows that keep enough depth in buckets without making crossings muddy or pushy.
Skip when smaller stream rules are closed, water is muddy, or low warm conditions would stress trout.
Base in Rexburg, check IDFG first, confirm public access, then fish short sections slowly with light rigs.
Use the main Teton, Teton at Driggs, or South Fork Snake when the South Teton is too low, warm, or access-limited.
What to try
South Teton River near Rexburg 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
Spring
What to look forMidges, BWOs, small caddis
Early summer
What to look forCaddis, PMDs, small stones
SummerCurrent
What to look forTerrestrials, caddis, attractors
Flies to try
Also try dry-dropper
Fall
What to look forBWOs, midges, small streamer windows
Each fly name opens its matching Fly Box guide.
Access and safety
South Teton River near Rexburg access and rules.
Use these places as starting points. Open the access link below and check posted signs before you park or enter. Check Idaho Fish and Game rules for the South Teton River and Henrys Fork smaller streams before fishing, including season dates and cutthroat harvest restrictions.
Rexburg area
Use the city area as the orientation base, then confirm legal public entry before fishing.
Eagle Park vicinity
A Rexburg public-recreation reference point for local area planning, not a license to cross private land.
Signed road crossings and public edges
Fish only where access and parking are clearly legal.
The South Teton is not a broad public area everywhere. Legal entry and private-property awareness are central to the plan.
City and park references help with orientation, but anglers still need to verify where fishing access is allowed.
Small-water pressure adds up quickly. Rotate through short sections and avoid crowding obvious buckets.
River sources
Official South Teton River near Rexburg 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
Reviewed byBlueStreamFly River Review Team
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.
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.
See all 5 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.
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.
Quick answers
Quick South Teton River near Rexburg answers.
Is this the same as the main Teton River page?
No. This page covers the South Teton River near Rexburg, a smaller stream-style water with different access and rule checks.
What gauge should I use?
Use RiverReports for the quick chart and USGS 13055340 SF Teton River near Rexburg ID as the official flow reference.
Why do the names South Teton and South Fork Teton both appear?
RiverReports and USGS use South Fork Teton flow language, while Idaho Fish and Game lists the water as South Teton River. The page keeps both clear.