Updated October 15, 2026
    Access point

    Hayden Creek Road Accesson Lemhi River

    Provides access to prime stretches of the Lemhi River with good holding water and diverse insect hatches.
    Lemhi River reportDirections45.0294°N, 113.7144°W

    Conditions right now

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

    Weather now
    60°F
    Clear Sky, wind 2 mph N
    Bite report · week of Oct 4

    What's working on Lemhi River

    1. 01Expect typical low to moderate fall flows on the Lemhi River.
    2. 02Blue-Winged Olive (BWO) hatches are active, especially on overcast afternoons.
    3. 03The October Caddis hatch is a significant event, offering opportunities for larger dry flies.
    4. 04Midge activity is consistent subsurface with cooler water temperatures.
    5. 05Fall is egg season, making egg patterns very effective for Steelhead and resident trout.

    What to tie on at Hayden Creek Road Access

    Picked from recent reports for this stretch.

    dry80%

    Blue-Winged Olive Comparadun

    #18#20#22

    Blue-Winged Olives are actively hatching in early spring, especially on overcast days, and this low-profile dry fly is excellent for selective trout feeding on emergers and adults.

    dry80%

    Glo Bug (Orange)

    #14#16

    Resident trout and char, including Rainbow Trout, Dolly Varden, and Arctic Grayling, remain keyed into egg patterns year-round, particularly with the upcoming spring rainbow spawn and lingering salmon eggs.

    dry80%

    Mother's Day Caddis

    #14#16#18

    The prolific Mother's Day Caddis hatch is expected in late April through May, making this dry fly a perfect imitation for adult caddis.

    streamer80%

    Woolly Bugger (Black/Olive)

    #4#6#8

    An essential streamer for enticing aggressive strikes from trout and smallmouth bass, imitating leeches and baitfish active in colder water.

    nymph80%

    Flashback Hare's Ear Nymph

    #14#16#18

    An excellent general searching nymph for early spring, mimicking various mayfly nymphs that are active year-round and particularly as BWOs begin to emerge.

    wet fly80%

    Soft Hackle Wet (Partridge & Orange)

    #12#14#16

    Caddis hatches spring through fall. Swing through the current.

    Buy at Amazon
    nymph80%

    Prince Nymph

    #10#12#14#16

    Year-round. Effective in all water types.

    Buy at Amazon
    dry80%

    Yellow Sally

    #14#16#18

    Yellow Sally stoneflies are abundant along freestone streams in summer, drawing aggressive strikes from Steelhead and trout.

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    dry80%

    Hopper Juan

    #6#8#10#12

    Mid-summer through early fall is prime terrestrial season, with grasshoppers providing a substantial food source along grassy banks for Steelhead and trout.

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    Idaho season by season

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