Updated October 15, 2026

    Madison River

    river in Montana

    Known as the '50-mile riffle,' the Madison is Montana's most iconic trout stream, offering consistent action for browns and rainbows.

    River flow last 30 days

    04008001,200Sep 16Sep 22Sep 27753 cfs
    Flow now
    788cfs
    Inside the typical range (753–788 cfs)
    Last 7 days
    Steady
    753 to 835 cfs
    Bite report · week of Oct 4

    October Caddis (Dry) #10: An essential fall dry

    1. 01October Caddis (Dry) #10: An essential fall dry, matching the large caddis active this month. Fish it tight to the banks for aggressive takes.
    2. 02Blue-Winged Olive (BWO) Comparadun #20: Crucial for selective trout rising to intermittent BWO hatches. Focus on softer water.
    3. 03Tungsten Bead Pat's Rubber Legs #8: A proven weighted stonefly nymph for getting deep, mimicking the active 'little golden stones' subsurface.
    4. 04Woolly Bugger (Olive) #6: Perfect for prospecting deeper runs; this streamer entices aggressive fall browns by imitating leeches and baitfish.
    5. 05Zebra Midge #20: A year-round producer, crucial when hatches are sparse, imitating abundant midge pupae for picky fish.

    Past reports week by week

    8 weeks

    What to tie on

    Picked from reports, hatches and the season. Tap a fly for the recipe and where else it works.

    dry

    October Caddis (Dry)

    October Caddis (Dicosmoecus) adult
    #6#8#10

    An essential fall dry, matching the large caddis active this month, which are becoming a significant factor in regional reports and seasonal knowledge.

    Buy at Amazon
    dry

    Blue-Winged Olive Comparadun

    #18#20#22

    Crucial for selective trout rising to consistent BWO hatches, especially on overcast days, as noted in regional reports and seasonal context.

    Buy at Amazon
    streamer

    Woolly Bugger (Olive)

    #4#6#8

    As fall progresses, larger brown trout become aggressive. This versatile streamer is perfect for prospecting deeper runs, imitating leeches and baitfish.

    nymph

    Tungsten Bead Pat's Rubber Legs

    Stonefly nymph (Plecoptera)
    #4#6#8#10

    A proven weighted stonefly nymph for getting deep, mimicking active 'little golden stone' nymphs which are a consistent food source in fall.

    Buy at Amazon
    streamer

    Pine Squirrel Leech (Olive)

    #14#16

    Small leech patterns effectively mimic sluggish baitfish and annelids in cold water, enticing strikes from larger, lethargic trout in fall.

    egg

    Blood Dot Egg

    Salmon/trout egg
    #10#12#14

    Fall is prime egg season for trout below spawning salmon and resident trout, providing an opportunistic food source.

    Buy at Amazon
    emerger

    Travis Hi-Vis BWO Para Emerger

    #18#20#22

    BWO emergers are crucial during fall hatches for trout feeding in the film, making this high-visibility pattern effective for spotting subtle takes.

    nymph

    Zebra Midge

    Midge pupa (Chironomidae)
    #18#20#22#24

    Midges are a primary and consistent food source year-round, becoming even more important as water temperatures drop in the fall for picky fish.

    Buy at Amazon

    Where to fish and who to ask

    Gallatin River Guides · Big SkyWild Trout Outfitters · Big SkyThe Tackle Shop · EnnisAngler's West Fly Shop · Emigrant1Between the Lakes2Kirby Ranch Access3Varney Bridge Access
    AccessFly shopGuide trips
    1

    Between the Lakes

    The premier wade fishing stretch between Quake and Hebgen Lakes, famous for its heavy currents and large rainbows.

    44.837°N 111.341°WDirections
    2

    Kirby Ranch Access

    A major access point near West Yellowstone, perfect for checking hatches and water levels.

    44.825°N 111.411°WUSGS 06038800Directions
    3

    Varney Bridge Access

    A popular float boat launch site on the '50-mile riffle' section below McAtee Bridge.

    45.187°N 111.644°WDirections

    Fly shops within 40 miles

    18mi

    Gallatin River Guides

    Big Sky, MTGuide trips
    19mi

    Wild Trout Outfitters

    Big Sky, MTGuide trips
    26mi

    The Tackle Shop

    Ennis, MTGuide trips
    28mi

    Angler's West Fly Shop

    Emigrant, MTGuide trips

    Get Madison River reports by email

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    Montana season by season

    What changes on the water through the year, with the flies for each season.

    Read before you go

    Gear & tipsWinter Fly FishingEssential Cold Weather Tips & Tactics
    Gear & tips

    Winter Fly Fishing: Essential Cold Weather Tips & Tactics

    Master winter fly fishing with proven cold weather strategies, gear selection, and tactics for catching trout when temperatures drop.

    Gear & tipsFly Line Types GuideWF, DT, Running & Shooting Heads
    Gear & tips

    Fly Line Types Guide: WF, DT, Running & Shooting Heads

    Master fly line selection with our comprehensive guide to weight forward, double taper, running lines, and shooting heads for every fishing situation.

    Gear & tipsBest Fly Fishing Waders of 2025Breathable vs. Neoprene
    Gear & tips

    Best Fly Fishing Waders of 2025 – Breathable vs. Neoprene

    Expert comparison of breathable and neoprene waders with top 2025 models for every budget and fishing condition.

    Gear & tipsFelt vs. Rubber Sole Wading BootsWhat's Legal Where
    Gear & tips

    Felt vs. Rubber Sole Wading Boots: What's Legal Where

    Essential guide to felt vs. rubber sole wading boots, plus state-by-state regulations to keep you legal on the water.

    Gear & tipsFly Fishing Pack vs VestWhich Setup Is Right for You?
    Gear & tips

    Fly Fishing Pack vs Vest: Which Setup Is Right for You?

    Compare fly fishing packs and vests to find the perfect gear setup for your angling style and fishing conditions.

    Gear & tipsBest Fly Fishing SunglassesLens Color & Polarization Guide
    Gear & tips

    Best Fly Fishing Sunglasses: Lens Color & Polarization Guide

    Master lens color selection and polarization technology for superior vision and fish detection on the water.

    Quick answers

    Common questions about Madison River.

    What flies work best on Madison River?

    Our top scored fly patterns for Madison River right now are Morrish Hopper (95% confidence), Chubby Chernobyl (95% confidence), Pheasant Tail Nymph (90% confidence). These picks are scored from recent fishing reports, hatch data, and seasonal patterns.

    What fish species are in Madison River?

    Madison River holds Rainbow Trout, Brown Trout, Mountain Whitefish, Westslope Cutthroat Trout. See the species links on this page for fly recommendations and seasonal behavior for each.

    What are current flow conditions on Madison River?

    Live USGS streamflow readings for Madison River are charted in the sidebar of this page and updated automatically from the nearest gauge.

    Is Madison River fishing well right now?

    We publish a fresh bite report for Madison River each week based on recent on-the-water intel. The current report — with conditions, hatches, and what's producing — is on this page.