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The Jefferson River is going to fluctuate with rising and lowering flows right now...but it will most likely drop back down with the cooler weather in the forecast. It is fishing well with both streamers and nymph rigs. The Blue Winged Olive mayflies are just showing up and will improve with the coming weeks. The fish are definitely concentrated in slower runs so find some good holding water before you fish. Rubber legs, eggs and pink copper johns are nice nymph choices. Big black streamers slow stripped along the bottom can produce some big browns for lucky anglers that are willing to endure some long slow stretches.
The Month Ahead:
The Jefferson River should produce decent fishing until run off in mid May. It is never a high numbers game due to lower trout counts but it is a nice location to get away and see few other anglers.
Long Term Fishing Forecast:
The Jefferson is usually very good just before and after run off. The water warms and low in the summer months.