Monday Cast live · Sept 21–24, 2026

American Falls Reservoir Monday Cast

Monday Cast live for Mon Sep 21–Thu Sep 24, 2026. Full four-day outlook, current and dam notes, tactics, lure box, and current E0 fuel checks are below.

American Falls Reservoir Monday

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FRESHWATER CAST · MONDAY CASTIDAHO

American Falls: Perch & Smallmouth on Big Open Water

Monday Sep 21 – Thursday Sep 24, 2026 · American Falls Reservoir · bank, kayak & boat · Mon morning–Thu evening · times in MT

MTPrimary: yellow perchWind cautionWeekday soft

American Falls is big sky and bigger wind — perch schools and smallmouth points reward the angler who checks the MT forecast twice.

Midweek outlook

NWS Pocatello / American Falls (NWS; pulled Sun Sep 20 evening CT): Monday (~73°F) — Sunny (precip ~0%); Tuesday (~74°F) — Partly Sunny (precip ~3%); Wednesday (~76°F) — Sunny (precip ~2%); Thursday (~79°F) — Sunny (precip ~0%).

Primary species this week: Yellow perch — American Falls is a renowned perch destination; smallmouth secondary on rock/points.

Crowd: Weekday soft. No named trail event pulled.

Window

Mon–Thuthrough Thu evening MT

Water / clarity

Variable with wind.

Crowd / pressure

Weekday soft. Wind can cancel plans — have a backup.

Monday

~73°FSunny · precip ~0% · 3 to 8 mph NE

Sunny. High near 73, with temperatures falling to around 71 in the afternoon. Northeast wind 3 to 8 mph.
Clock times in MT.

Tuesday

~74°FPartly Sunny · precip ~3% · 5 to 8 mph ESE

Partly sunny, with a high near 74. East southeast wind 5 to 8 mph.
Clock times in MT.

Wednesday

~76°FSunny · precip ~2% · 3 to 7 mph SSE

Sunny, with a high near 76.
Clock times in MT.

Thursday

~79°FSunny · precip ~0% · 9 mph ESE

Sunny, with a high near 79.
Clock times in MT.

Dam & current / Generator schedule cheat sheet

Live/provisional pulls Sun Sep 20 CT. Soft verify dam boards before you go — do not invent unit counts.

Project	Observed	Generator schedule	How to fish it
American Falls Dam Reclamation	Re-check pool elevation before launch.	No invented gen calendar.	Perch schools on flats; SMB on rock; respect dam area.

Schedules change — verify dam boards before you go.

How to fish it — Bank / Kayak / Boat

Bank

Public access when wind allows.

Kayak

Big-water caution — PFD; pick calm days.

Boat

Graph perch; abort if wind stacks waves.

Ethanol-free fuel near this water

Pure-Gas.org E0 · near this water

Source: Pure-Gas.orgSun Sep 20, 2026 evening CT — verify at pump

Current prices (as of Sun Sep 20, 2026 evening CT — verify at pump) — may change; verify at the pump. No invented E0 pump prices.

Pure-Gas.org — American Falls / Pocatello corridor — American Falls, ID · ~varies mi · E0price not listed — verify at pumpPure-Gas

Crowdsourced E0 identity; distances rough to pin. Call ahead. Gather notes in MT.

Lure box — Top / Mid / Bottom

Top

Small spoon when fish high

Mid

Perch spoon/jig
Small swimbait

Bottom

Tungsten jig
Drop-shot

Wind stain → brighter perch colors.

Life stage + What's on the menu

Perch schooling; SMB on structure.

What's on the menu: Bugs/baitfish.

Also hot / also in season

Smallmouth — Rock/points secondary
Trout — Secondary
Walleye — Where present — secondary note only

Regs: Idaho Fish & Game — https://idfg.idaho.gov/fish — live-check; do not hardcode lengths.

Looking ahead

Watch wind; next cool-down can stack perch.

Sources: NWS forecast grids; Pure-Gas.org E0 listings; agency pages as cited. Pin 42.7808, -112.8756. Drafted Sun Sep 20, 2026 evening CT · . Window times water-local (MT).