Updated October 15, 2026
    Access point

    Yellowstone River Confluenceon Lake Fork River

    The confluence area with the Yellowstone River can be particularly productive.
    Lake Fork River reportDirections40.5800°N, 110.1200°W

    Conditions right now

    No USGS gauge is linked to this water yet, so we can't chart flows.

    Weather now
    50°F
    Clear Sky, wind 6 mph SE
    Bite report · week of Oct 4

    What's working on Lake Fork River

    1. 01Fall BWO hatches are expected to be a primary focus for rising trout.
    2. 02Midge activity remains a year-round staple, especially as water temperatures cool.
    3. 03Egg patterns will be highly effective with trout beginning to spawn.
    4. 04Streamer fishing for aggressive Brown Trout is a strong option in deeper water.
    5. 05Focus on deeper pools, runs, and current seams, while also exploring potential spawning grounds in shallower riffles.

    What to tie on at Yellowstone River Confluence

    Picked from recent reports for this stretch.

    emerger80%

    Travis Hi-Vis BWO Para Emerger

    #18#20#22

    BWO emergers are crucial during fall hatches, and this high-visibility pattern helps spot subtle takes.

    nymph80%

    Zebra Midge (Black)

    #20#22#24

    Midges are a primary and consistent food source year-round, highly effective in cooler fall water for enticing finicky trout subsurface.

    dry80%

    Juan's Slim Shady

    #14#16

    A low-profile BWO dry fly effective for selective trout keying on adults during fall hatches.

    nymph80%

    Hare's Ear Nymph

    #12#14#16#18

    A classic and versatile searching nymph, mimicking various aquatic insects that are active year-round, making it essential for subsurface fishing in the fall.

    Buy at Amazon
    nymph80%

    Jujubaetis

    #18#20#22

    One of the best Baetis nymphs available, effective year-round, especially during fall BWO periods, mimicking a consistent food source for trout.

    Buy at Amazon
    nymph80%

    Copper John

    #14#16#18

    A versatile attractor and general mayfly nymph imitation, effective year-round in faster water and excellent as a point fly in fall nymph rigs.

    Buy at Amazon
    egg80%

    Blood Dot Egg

    #10#12#14

    Fall is prime egg season below spawning trout and salmon, making this an irresistible pattern for opportunistic feeders.

    Buy at Amazon
    streamer80%

    Olive Sculpin (Drunk and Disorderly)

    #2#4#6

    Fall is prime streamer season, and this sculpin pattern effectively imitates baitfish, provoking aggressive strikes from predatory trout.

    Buy at Amazon

    Utah season by season

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

    Mar – MaySpringRead the guideJun – AugSummerRead the guideSep – NovFallRead the guideDec – FebWinterRead the guide

    Fly shops nearby

    Local flies, current advice and guided trips.

    All fly shops
    44MIFlaming Gorge Resort Fly & Tackle ShopUnknown