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Clark Fork River Fishing Report  3/20

Clark Fork River Fishing Report 3/20

Warmer days have started to push water temperatures up, but recent rain and snowmelt have significantly changed river conditions. Flows have come up quickly, and visibility has dropped a ton—the river is currently very muddy, fast, and off-color. These conditions are making subsurface tactics even more important right now.

Bug activity is still present, typically starting around mid-morning and again into the evening. Midges remain the most consistent hatch, but we’re also seeing nemoura stoneflies and some early blue-winged olives in the mix. These hatches can occasionally bring fish toward the surface, though with the current water clarity, most feeding is still happening below.

Nymphing has remained consistent and continues to be the most reliable method. Heavier setups are key with the added flow and reduced visibility. A stonefly nymph paired with a worm or a small dark nymph/emerger has been producing well. Focus on slower water—deep pools, soft tailouts, and side channels—where fish can get out of the heavier current and conserve energy.

Streamer fishing has stayed about the same in terms of effectiveness. With the dirty water, it’s a great opportunity to throw larger, high-contrast patterns and move some fish. Keep your presentation slow and deep, targeting structure and softer holding water. Flies like Sculpzillas, Dungeons, Goldies, Sparkle Minnows, and jig-style streamers are all solid choices in these conditions.

While there may still be the occasional fish willing to rise during the warmest parts of the day, the current river conditions heavily favor subsurface approaches. Slow things down, fish deep, and focus on water where trout don’t have to fight the current.