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Alcova Reservoir
Mon Sep 21 – Thu Sep 24, 2026 · Bank / Kayak / Boat · Primary: Trout & walleye
Clear and cold — trout lead.
Midweek outlook
Times in this Cast are Mountain Time (MT).
Mon 09-21
71°/45°Overcast
Wind to 6 mph · precip 1%
Tue 09-22
79°/47°Drizzle
Wind to 15 mph · precip 6%
Wed 09-23
76°/58°Overcast
Wind to 16 mph · precip 11%
Thu 09-24
77°/57°Overcast
Wind to 12 mph · precip 2%
Dam / level / current cheat sheet
Alcova Dam (USBR).
How to fish it — Bank / Kayak / Boat
Bank
State park shore trout.
Kayak
Protected coves.
Boat
Trolling; wind.
Pattern: Trout lead; walleye secondary.
Ethanol-free fuel near this water
Alcova / Casper — Pure-Gas.org; verify E0 at pump. Prices move — verify at pump. Pure-Gas is crowdsourced.
Lure box — Top / Mid / Bottom
Built for Trout & walleye (species-honest).
Top
Walking bait / popper when bait is up.
Mid
Swimbaits, cranks, spinnerbaits, or spoons by depth.
Bottom
Jigs, Ned/rigs, drop-shots; live/dead bait where legal for walleye/trout.
Life stage + What's on the menu
Stage: Mid/late September transition.
Menu: Cisco, invertebrates
Also hot / also in season
Kokanee
Looking ahead
Fall transition continues next 1–3 weeks. Re-check tournaments for Heavy Traffic. Shared waters: one writer/cycle.