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Fly fishing report · West
Warm Springs Creek
A practical Warm Springs Creek page for anglers weighing Ketchum convenience against flow, heat, stocking timing, and the limited windows when this Big Wood tributary still fishes well.
Check flow & weatherToday's fishing decisionSome live data available
14
Skip today
Do not commit until the safety issue clears.
Red Flag Warning issued August 2 at 1:04AM MDT until August 2 at 9:00PM MDT by NWS Pocatello ID
Best supported approachNo approach recommended
Watch nextRed Flag Warning issued August 2 at 1:04AM MDT until August 2 at 9:00PM MDT by NWS Pocatello ID
Updated Aug 3, 1:23 AM UTCCurrent conditions checked regularly
Red Flag Warning issued August 2 at 1:04AM MDT until August 2 at 9:00PM MDT by NWS Pocatello ID
Safety overrides tacticsNo approach recommended
The active safety or closure reason takes priority over wading, bank fishing, and floating guidance.
Check before you drive
Current flow and weather.
Look at whether the river is rising or falling, then check wind, rain, and storms. These can change both safety and fishing.
Loading current flow and weather.
Before you rely on this report
How current is this report?
Conditions can change quickly. Check these dates before you decide to fish, and open the official source when safety or rules matter.
- River conditions
- Checked Aug 2, 2026, 9:23 PM
- Fishing guidance
- Reviewed Jul 6, 2026
- Public access
- No reviewed map pin available
- Rules and closures
- Official rule links checked
Medium confidence in the current score inputs.
6 sources are listed below for you to open.
3 public access records are listed. Private spots are never shown.
Source checked Jul 30, 2026
Plan your access
Know where you can enter.
These are public parking, launch, trail, or recreation areas—not secret fishing spots. We never show an angler's private pins, notes, or photos here.
- 0
- Shown on map
- 3
- No map pin
Location checkedDescription only
01No map pin
Area description
Warm Springs Preserve
The City of Ketchum's 65-acre open-space preserve provides the clearest town-side public frontage and walking access context on the creek.
Restrictions and seasonal notes
Town-side access is convenient, but convenience is not the same as dependable fishing quality. Let the gauge and temperature decide.
The preserve is valuable as a legal entry anchor, especially when you want a quick check before driving higher or choosing a different river.
02No map pin
Roadside access
Warm Springs Road corridor
Public road access through the drainage can be useful when the creek still has enough flow, but quality water is selective rather than continuous.
Restrictions and seasonal notes
Town-side access is convenient, but convenience is not the same as dependable fishing quality. Let the gauge and temperature decide.
The preserve is valuable as a legal entry anchor, especially when you want a quick check before driving higher or choosing a different river.
03No map pin
Public land
Upper forest corridor
The Sawtooth National Forest's Ketchum Ranger District covers the upstream drainage where cooler water and a more natural channel can matter most.
Restrictions and seasonal notes
Town-side access is convenient, but convenience is not the same as dependable fishing quality. Let the gauge and temperature decide.
The preserve is valuable as a legal entry anchor, especially when you want a quick check before driving higher or choosing a different river.
How to fish it
Treat Warm Springs like a timing creek, not a constant Ketchum fallback.
Warm Springs Creek can offer a fun small-water option when spring runoff settles or when stocked summer fish still have enough cool moving water to hold. It loses value quickly once low clear flow, heavy visibility, and afternoon heat flatten the channel.
- Flow note: this page does not have a readable live CFS feed for the exact reach, so the fishability answer stays conservative until you check the linked source manually.
- Idaho Fish and Game lists Warm Springs Creek as a Big Wood tributary in Blaine County and its stocking records show recurring triploid rainbow plants through the Ketchum corridor.
- USGS 13137000 near Ketchum is the cleanest official check for how much shape remains in the creek before you leave town.
- The City of Ketchum's Warm Springs Preserve and the Sawtooth National Forest's Ketchum Ranger District provide the most defensible public-access context for this route.
- The same Big Wood tributary rules apply here: winter catch-and-release, a spring closure through the Friday before Memorial Day weekend, and a six-trout limit after the summer opener.
Why the score looks this way
Public alertLowers score
An active alert is in effect: Red Flag Warning issued August 2 at 1:04AM MDT until August 2 at 9:00PM MDT by NWS Pocatello ID. Check public safety sources before going.
FlowMore information needed
No verified live public gauge is attached, so the page cannot make a strong real-time call.
SeasonHelps score
Early summer: Usually the best blend of cover, cool water, and accessible town-adjacent fishing.
WeatherHelps score
The NWS forecast is about 79F with Patchy Smoke.
Fishing usefulnessHelps score
Skip when the creek turns hot, shallow, and highly visible or when the best-looking water is too limited to handle fish responsibly.
Read the water
What changes the plan.
This page is strongest from late spring into early summer, then again during cooler fall mornings. Mid-summer can still produce quick stocked-fish sessions, but only if the creek remains cool enough and the water still has cover.
Stable post-runoff flow
The best window for nymphs, attractor dries, and short dry-dropper drifts around depth changes and undercuts.
Freshly stocked summer flow
Fish early, cover likely holding water efficiently, and avoid stretching the session into warm afternoon hours.
Low hot late-summer flow
Usually a sign to skip or limit the stop to a quick visual check before moving elsewhere.
Cold fall morning
A good reset when overnight temperatures restore some oxygen and the creek fishes smaller but cleaner.
Your trip plan
Know when to go—and when to skip it.
Best flows
Moderate post-runoff or cooler-season levels that keep enough push over undercuts and pocket structure to hide fish and hold oxygen.
When to skip
Skip when the creek turns hot, shallow, and highly visible or when the best-looking water is too limited to handle fish responsibly.
Local plan
Check the Ketchum gauge, start at the preserve for a fast legal read, fish one short upper or middle reach if conditions still look good, and leave yourself time to pivot.
Backup water
If Warm Springs is too warm or thin, move to Big Wood for more current or Silver Creek for a steadier coldwater plan.
Hatches & flies
Bring a flexible box.
TimingWhat to watchUseful flies
SpringMidges and early baetisZebra midge, small pheasant tail, BWO emerger
Fly pattern · report suggests “Zebra midge”Zebra MidgeLook for a very slim tapered thread body, evenly spaced contrasting wire rib, a small bead, and no tail or wing. The reviewed classic is black with silver wire and a silver bead. Red, olive, brown, glass-bead, jig-hook, resin-coated, or tailed forms must remain labeled variations rather than replacing the classic identity.See photos & how to fish it ↗
Fly pattern · report suggests “small pheasant tail”Pheasant Tail NymphThe pilot page distinguishes the sparse original idea from the bulkier American form. Both use pheasant-tail fibers and copper wire, but bead heads, peacock-herl thoraxes, legs, flashbacks, jig hooks, and soft-hackle collars are variations that must be labeled.See photos & how to fish it ↗+ 1 more reviewed guide in the Fly Box Early summerCaddis, PMDs, and attractor dry windowsElk hair caddis, PMD sparkle dun, yellow stimulator
Fly pattern · report suggests “Elk hair caddis”Elk Hair CaddisLook for a tented elk- or deer-hair wing, clipped hair head, dubbed body, rib, and hackle palmered along the body. The body color should be labeled because tiers often match different natural caddis colors.See photos & how to fish it ↗
Fly pattern · report suggests “PMD sparkle dun”Sparkle DunLook for an upright semicircular deer-hair wing, a low hackleless body and thorax, and a sparse trailing Zelon shuck. The shuck is the decisive difference from the separately photographed Comparaduns. In the Improved Sparkle Dun, the forward portion of the same Zelon bunch is bound along the shank and can add sparse flash behind the wing; body, shuck, size, and tone must be matched and labeled for the mayfly being imitated.See photos & how to fish it ↗+ 1 more reviewed guide in the Fly Box SummerTerrestrials and stocked-water attractorsFoam ant, beetle, hopper, prince nymph
Fly family · report suggests “Foam ant”Ant PatternsAnt patterns can be foam, fur-bodied, winged, or sunken. The narrow waist and paired body lobes matter more than one material recipe.See family guide ↗
Fly family · report suggests “beetle”Beetle PatternsBeetle flies range from simple foam shells to hair-bodied and sunken forms. A rounded back and compact profile distinguish the family from ants and hoppers.See family guide ↗+ 2 more reviewed guides in the Fly Box FallBWOs and midgesParachute BWO, RS2, zebra midge
Fly family · report suggests “Parachute BWO”Blue-Winged Olive PatternsBWO describes a hatch group, not one fly. Nymph, emerger, dry, cripple, and spinner profiles must stay separate because they occupy different parts of the water column.See family guide ↗
Fly pattern · report suggests “RS2”RS2Start with the beadless architecture: two dark-dun Microfibett tails separated behind a slim, tightly twisted and visibly segmented dubbed abdomen; a fuller thorax; and saddle-hackle web clipped into a short angled wing bud. Rim Chung's original-style form uses natural beaver dubbing and hackle web. CDC- or Antron-wing ties, beads, curved hooks, flash, and tailless Avatar-style flies must remain labeled variations.See photos & how to fish it ↗+ 1 more reviewed guide in the Fly Box 01
Use the Ketchum gauge and temperature as the go or no-go test instead of assuming a town-adjacent creek is always fishable.
02
Fish the deepest bends, shaded banks, and obvious structure first because the useful habitat is concentrated.
03
Keep the session short and mobile. This creek gives up its answer quickly once you see how fish and water look.
04
If the preserve reach is busy or thin, move upstream only if the road corridor still shows colder, healthier water.
Rules & closures
Check the official rules before you go.
Open the agency page to confirm the exact river section, species, season, tackle rules, limits, and emergency closures.
Official links checkedRules for this river or sectionNo special rule found
We did not find a special rule for this river.
We checked the state source but did not find a clearly supported exception for this river. Check the official rules for the exact section you plan to fish.
Rules checkedJul 30, 2026
Report a correction ↗Always follow the official rule
This summary helps with trip planning. The linked agency rule is the one you must follow.
Updates from anglers
What anglers are seeing.
Recent observations from general areas of Warm Springs Creek. We review every update before it appears and never publish exact fishing spots, private access details, or photo locations.
Angler updates are not loading right now.
You can still use the river plan above. Check back later for recent observations from other anglers.
Where this report comes from
Open the sources we checked.
Fishing guidance checked: Jul 6, 2026
Site check: Jul 14, 2026. We regularly test report links, live scores, flow and weather data, and page loading. The content date changes only when the fishing guidance or its sources change.
flowRiverReports: Warm Springs Creek near KetchumflowUSGS monitoring location: Warm Springs Creek near KetchumregulationIdaho Fishing Planner: Warm Springs CreekbackgroundSawtooth National Forest: Ketchum Ranger DistrictaccessCity of Ketchum: Warm Springs PreservesafetyNational Weather Service forecast point near Ketchum
Common questions
Before you leave.
What should I check first on Warm Springs Creek?+
Check RiverReports and USGS 13137000 near Ketchum first, then decide whether water temperature and visible cover still justify a trout session.
Is Warm Springs Creek a good all-day plan?+
Not for an automated live score. This page links the best available flow source where one exists, but the fishability answer stays conservative until a current readable gauge is available for the exact reach. Check the linked source, weather, clarity, access, and recent rain before going.
Where should I start?+
Start with the Warm Springs Preserve for the fastest legal check, then move up the drainage only if the creek still shows enough current and cover.