Fly Fishing Stream Conditions Report: Clark Fork River

Period:

Mar 2026Feb 2026Aug 2025Jul 2025Jun 2025May 2025Apr 2022

Report Summary for Mar 2026

This year: Flow has been high and the water muddy. Fishing quality has been good despite the conditions. We're seeing some smallmouth moving in as the water warms. Work Chubby dropper rigs. Nymphs like Spanish Bullets, CDC Pheasant tails, and worms are working well. No hatches are being reported, but the Chubby Chernobyl, Spanish Bullet, and worm patterns are producing.

Prior years: No prior years report for this period.

This report combines publicly available data when available with our own analysis to give a comprehensive view of the stream conditions.

Spanish Bullet fly pattern

Spanish Bullet

nymph
CDC Green Drake Emerger fly pattern

CDC Green Drake Emerger

emerger
Chubby Chernobyl fly pattern

Chubby Chernobyl

dry

Monthly water conditions

Clark Fork below Missoula MT

This month

3296 CFS

Last month

2780 CFS

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