Yellowstone Park Waters

September 23, 2020

Fishing Conditions

September 23, 2020

 Cool Fall temperatures have made the west side of Yellowstone very good for fishing again. Hatches are beginning to wain on the Madison but not the Firehole. This is a great time for BWO hatches on the Firehole. Caddis will also be on the river. The Madison will have some end of season hopper fishing but more fish will be hitting a dropper underneath. The Lamar is low but it's always low this tome of year. Find the deepest green holes to find the Cutthroat. Slough creek crowds have thinned out. Ants and crickets will still work here for a couple more weeks. The Yellowstone will have fall BWO hatches, spinner fall fishing can be the most productive. 

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Fly Pattern Suggestions

Dries: Elk Hair Caddis:14-16-18, X-Caddis: 14-16-18, Goddard Caddis: 12-14-18-18, Adult Caddis: 16-18, Ext. Body BWO; 16-20, Thorax BWO; 16-20, Brook Sprout BWO; 16-20,

Nymphs: Lil’ Spanker PT: 12-14-16-18, Lil’ Spanker Gold: 12-14-16-18, Lightning Bug Silver: 12-14-16-18, Lightning Bug Purple: 12-14-16-18, BH Pheasant Tail: 12-14-16-18, Rootbeer Float PMD: 16-18, Green Machine; 16-18, BLM Green; 18, Split Case BWO; 18-20

Streamers: McCune’s Sculpin Tan: 4-8, Dirty Hippy Rainbow: 2, Sparkle Minnow Black: 4-6, Bow River Bugger: 2-4-6, Zonker Tan/Copper: 6-8

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