Kootenai River

September 24, 2026

By Barbless, compiled each morning from the gauges, forecasts and sources on this page.

Kootenai River

Current conditions for Kootenai River · Map, access and gauges

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Flow

6,340 cfs

Water Temp

60°F · Prime temp

Trend

Steady

Observed

23d ago

Hatch Status

October Caddis hatch expected, lasts for a good while, sometimes into November.

Conditions

Fishing is excellent with minimal angling pressure and solid mayfly and caddis activity. As of September 27, flows were running at 6,340 cfs and falling gradually toward 4,000-5,000 cfs for fall and winter. October Caddis should emerge soon and persist into November, making this a prime window. A cooldown expected this weekend may soften dry-fly action, but small dry patterns and nymphing remain productive. As flows drop, consider heavier line and bigger attractors near the edges where fish move into newly accessible water.

Gauges

Techniques

  • Smaller mayfly patterns working great on top as well as caddis patterns when the hatch is on.
  • Nymphing very productive when dries aren't on; stripping streamers also productive.

Recommended flies

E.Z. CaddisTilt Wing DrakePurple HazeWorm FarmImperialJigged Hares EarThin MintShe Demon Bugger