Wade · Best fit96/100
Wading is in play only where your chosen access has clear footing, legal entry, and no forced crossings.
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Fly fishing report · West
Yellowstone River In Yellowstone Park
A reach-aware Yellowstone Park report that keeps closures, native cutthroat rules, road status, and official NPS sources ahead of generic fishing advice.
Check flow & weatherToday's fishing decisionMost live data available
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Yellowstone River In Yellowstone Park looks very fishable right now.
Current USGS flow is 2,100 cfs and has been stable for about 6 hours. Today's flow is within the normal seasonal range of 2,050 cfs to 3,620 cfs. Weather, water temperature, and access are the next checks.
Best supported approachWade
Watch nextRecheck flow and weather before leaving
Updated Aug 3, 1:00 AM UTCUsually refreshes about every 45 minutes
Best supported approachWade
Compare wading, bank fishing, and floating before choosing how you will fish.
Bank / edgeNeed data
This report does not describe this as a primary mode. Verify legal access, depth, launches, and retreat options before planning around it.
FloatNeed data
This report does not describe this as a primary mode. Verify legal access, depth, launches, and retreat options before planning around it.
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, 9:00 PM
- Fishing guidance
- Reviewed Jul 6, 2026
- Public access
- No reviewed map pin available
- Rules and closures
- Official rule links checked
High confidence in the current score inputs.
9 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
Yellowstone Lake outlet context
Use the USGS lake-outlet gauge, then confirm NPS open-water rules.
Restrictions and seasonal notes
Fishing Bridge, LeHardys Rapids, Hayden Valley, canyon, and other reach closures must be checked in current NPS rules.
Downstream of Gardiner is a Montana regulation topic, not this park page.
02No map pin
Area description
Southeast Yellowstone reach checks
NPS Southeast rules include open dates and important permanent closures.
Restrictions and seasonal notes
Fishing Bridge, LeHardys Rapids, Hayden Valley, canyon, and other reach closures must be checked in current NPS rules.
Downstream of Gardiner is a Montana regulation topic, not this park page.
03No map pin
Area description
Northeast Yellowstone reach checks
NPS Northeast rules include different native/nonnative fish handling details.
Restrictions and seasonal notes
Fishing Bridge, LeHardys Rapids, Hayden Valley, canyon, and other reach closures must be checked in current NPS rules.
Downstream of Gardiner is a Montana regulation topic, not this park page.
How to fish it
Use a reach-by-reach plan or do not fish it.
The Yellowstone River inside the park crosses different management zones and several permanent closures. The page is useful only when it keeps the exact reach, open dates, native cutthroat rules, and road status in front of fly choice.
- Check the 2026 NPS regulation PDF and the Southeast/Northeast reach pages before fishing.
- Several high-profile areas are permanently closed, including Fishing Bridge-area and canyon-related reaches.
- Native Yellowstone cutthroat conservation is the core fishery issue.
- Use the lake-outlet USGS gauge for upper river context and current park conditions for access.
Why the score looks this way
FlowHelps score
USGS shows 2,100 cfs with a stable over about 6 hours trend. Today's flow is within the normal seasonal range of 2,050 cfs to 3,620 cfs. Weather, water temperature, and access are the next checks.
SeasonHelps score
Summer: Primary dry-fly and terrestrial season on legal reaches, with crowds and heat checks.
WeatherHelps score
The NWS forecast is about 77F with Areas Of Smoke.
Public alertsHelps score
No active NWS alert was returned for this forecast point.
Fishing usefulnessHelps score
Skip the Yellowstone inside the park when the exact reach is closed, native trout rules are unclear, road or wildlife conditions are poor, the river is high or cold after runoff, or the day depends on downstream Montana assumptions.
Read the water
What changes the plan.
Fish only after confirming the exact reach is open and accessible. Stable weather, clear water, and legal native-trout reaches are the right combination; uncertain closures are a hard stop.
Open, clear, cool reach
Best for dries, dry-droppers, and careful sight fishing.
Closed or uncertain reach
Do not fish. Move to a confirmed legal water instead.
High spring water
Even if open, crossing and wading can be dangerous; use edges only.
Warm summer water
Fish early, check temperature, and reduce native-trout handling stress.
Your trip plan
Know when to go—and when to skip it.
Best flows
Use USGS 06186500 at the Yellowstone Lake Outlet for upper-river context. Stable or gradually improving flows are easiest to plan around, while high runoff, canyon closures, road impacts, or cutthroat conservation concerns should end the trip plan.
When to skip
Skip the Yellowstone inside the park when the exact reach is closed, native trout rules are unclear, road or wildlife conditions are poor, the river is high or cold after runoff, or the day depends on downstream Montana assumptions.
Local plan
Start with the NPS fishing page and 2026 regulation PDF, then match the day to the Southeast or Northeast reach guidance. Use the lake-outlet gauge for upper context, and keep canyon, Hayden Valley, Fishing Bridge, and other closure notes in front of fly choice.
Backup water
If the Yellowstone reach you wanted is closed, high, crowded, or unsafe, compare the Madison inside the park, the Montana Yellowstone downstream of the park, or the Snake River for a different cutthroat plan.
Hatches & flies
Bring a flexible box.
TimingWhat to watchUseful flies
Late May to JuneCold-water midges, BWOs, caddis, and early stoneflies when park water is openZebra midge, BWO emerger, caddis pupa, golden stone nymph, soft hackle
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 family · report suggests “BWO emerger”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 ↗+ 3 more reviewed guides in the Fly Box JulyPMDs, caddis, golden stones, Green Drakes in suitable water, and spinner fallsPMD emerger, X-caddis, golden stone dry, green drake, rusty spinner
Fly family · report suggests “PMD emerger”Pale Morning Dun PatternsPMD names an insect group, not one fly. Pale nymphs, trailing-shuck emergers, upright or low-riding duns, cripples, and spent-wing spinners stay visibly separate.See family guide ↗
Fly pattern · report suggests “X-caddis”X-CaddisIdentify the X-Caddis by the combination of a sparse translucent Zelon-style trailing shuck, slim dubbed body, tented deer- or elk-hair wing, small clipped head, and no palmered body hackle. The separately photographed Elk Hair Caddis has a higher, hackled adult footprint and no defining trailing shuck. The natural-adult photograph explains the caddis tent-wing silhouette, but it does not turn the X-Caddis into an exact adult-species imitation.See photos & how to fish it ↗+ 3 more reviewed guides in the Fly Box August to SeptemberTerrestrials, ants, beetles, hoppers, small caddis, and evening spinnersFoam ant, beetle, hopper, small caddis, parachute Adams, sparkle dun
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 ↗+ 4 more reviewed guides in the Fly Box OctoberBWOs, midges, streamers where legal, and short cold-weather feeding windowsBWO emerger, midge pupa, small soft hackle, sculpin, olive bugger
Fly family · report suggests “BWO emerger”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 family · report suggests “midge pupa”Midge Patterns by StageMidge wording can mean a threadlike larva, wing-padded pupa, film emerger, tiny adult, or visible cluster. Those profiles fish at different depths.See family guide ↗+ 3 more reviewed guides in the Fly Box 01
Confirm the exact open reach before leaving the vehicle.
02
Use single dries and dry-droppers in clear legal water where cutthroat are looking up.
03
Nymph riffle edges with simple rigs when surface feeding is light.
04
Avoid walking or casting near closed zones, bridge closures, and canyon closures.
05
Handle native cutthroat in the water and stop fishing when water temperature or crowds make safe release poor.
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 Yellowstone River In Yellowstone Park. 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.
regulationYellowstone National Park fishingregulationYellowstone 2026 fishing regulations PDFregulationNPS Southeast Yellowstone fishing reachesregulationNPS Northeast Yellowstone fishing reachessafetyYellowstone current conditionsflowUSGS Yellowstone River at Yellowstone Lake Outlet 06186500safetyNational Weather Service Yellowstone Lake Outlet forecast pointbackgroundNPS Yellowstone fish ecologyaccessNPS Yellowstone fishing access and rules
Common questions
Before you leave.
What should I check before fishing Yellowstone River In Yellowstone Park?+
Yellowstone permit, 2026 NPS reach rules, permanent closures, road status, USGS flow, and weather
Which flow should I use for Yellowstone River In Yellowstone Park?+
Use USGS 06186500 at the Yellowstone Lake outlet for upper park context, then check current NPS reach rules and conditions before treating flow as fishable access.
Where should I start on Yellowstone River In Yellowstone Park?+
Start by choosing the exact park reach, then compare it against the NPS regulation PDF, Southeast/Northeast pages, current conditions, and road status.
Can I wade Yellowstone River In Yellowstone Park?+
Only in confirmed open reaches and safe flows. Closed zones, canyon water, wildlife, and cold current make casual wading a bad default.