Madison River Outfitters Fishing Report for 7/31/2024

by Tyler Amory July 31, 2025

The Dog Days Have Arrived

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MRO Guide Tom Forsberg got Nathan on this stud of a 'bow
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Montana
Hebgen & Quake Lakes: The lakes are fishing very well right now. We're seeing plenty of gulpers on calm days and Callibaetis are hatching sufficiently enough to fish them on the said calm mornings, but if there's any chop, switch to subsurface techniques. Most of the fish are going to be relatively shallow, anywhere from 5-10' deep. Leeches and chironomid imitations have been the ticket under the waves.

Flies We're Fishing:

#16 Found Link Callibaetis, #16 Spinner Long Tailed Callibaetis, #16 Peacock Chubby Chernobyl, #18 Bucky's Midge Cluster, #18 Black, Olive, OR Red Zebra Midge, #14 O/S Opal Buzzer, #14 Olive Nugget, #14 Turkey Callibaetis, #16 Brush Hog, #14 Black/Red Ice Cream Cone, #8 Black Vegas Booby Leech, #8 Black OR Olive Simi-Seal Leech, #8 Hot Bead Thin Mint

Madison Flows:
Hebgen Lake Inflow: 515 CFS
Hebgen Lake Outflow: 956 CFS
Kirby Flows: 1000 CFS

Cameron Flows: 1140 CFS
Water Temp @ Kirby: High 67 F
Low 57 F
Flows as of 7am July 31st 2025

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MRO Shop Staff Levi VonFlue with a great shot of a pretty Upper Madison Rainbow

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Upper Madison:
Not much has changed since last week (the 24th). The 50 Mile Riffle is rapidly becoming its mid season usual, with some days being a bit more tricky than others. The bugs have definitely declined but we're still seeing sparse caddis, and PMD's, along with BWO's and Epeorus down there. The fish lower on the river are starting to turn on to hopper and various terrestrial patterns as well. Nymphing has been the most productive but the fish are pretty dialed in on smaller natural patterns (18's and smaller). Streamers can still move fish, particularly on the stormy and overcast days.

Flies We're Fishing:

#18 Olive Hot Spot Perdigon, #16 Sunburst Perdigon, #18 S&M Dark Baetis, #18 Purple JJ Baetis, #16/#18 Black OR Red Krystal Dip, #16 Pilva's Perdigon - Olive, #16 Purple Parachute, #16 Nyman's Flying Ant, #14 Black Bionic Ant, #16 OR #14 Royal Chubby Chernobyl, #16 Peacock Chubby Chernobyl, #4 Olive Supernatural Peanut, #6 Olive MT Mouthwash, #6 Olive/White Barely Legal, #8 Hot Bead Leech - Olive, Black, Brown

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MRO Guide Tom Forsberg enjoying a rare day off on Quake
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YNP

Firehole: The Firehole, Madison, and Gibbon - (below Norris Campground) have all been indefinitely closed to all fishing.

Gallatin: The Gallatin is fishing pretty well throughout the whole river. We arent seeing quite the volume of bugs as we have the past few weeks, so its time to start transitioning to the terrestrial side of things. Beetles, ants, hoppers, spruce moths, etc. should all play on the Gallatin. Hopper dropper rigs are a great way to search the deeper runs and pools up-river of Big Sky.

NE Corner: The Yellowstone River is beginning to slow down a bit. There are still fish to be had but they require you to put in the miles to find them. There should still be some decent fish looking up on PMD's and Sallies, but hoppers and beetles are a great choice as well. It's tributaries; (Lamar, Slough, Soda Butte) should all be fishing a bit better, due to higher fish counts and easier wading/access.

YNP Flows

Firehole: too hot

Gibbon: too hot

Madison: too hot

Yellowstone Outlet: 1680 CFS

Gallatin: 330 CFS

Lamar: 236 CFS

Soda Butte: gage is gone!

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Get out there!

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MRO Guide Jake schilling and his client showing off a nice Madison Brown
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Tyler Amory

Author

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Madison River Outfitters Fishing Report for 8/21/2025

by Tyler Amory August 21, 2025

It's HOT in the Valley!

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