Main Stem Snake River
RECEIVE FISHING REPORT UPDATES!
Rating - Good
Friday, Sep 12 2025
Flow varies above American Falls Reservoir because of irrigation diversion. From the Tilden Bridge area to American Falls Reservoir water conditions improve because of input from various spring creeks. Reservoir is at 10% of capacity. Streamer and wooly bugger remain the best patterns for action. Want to fish the river below American Falls Dam ? Flow is about 8150 cfs, so use a boat and big streamer and woolly buggers to do so.
Friday, Sep 12 2025
Access Info
Below confluence of Henry's and South Forks, multiple parks and boat ramps service the river.Click here to unsubcribe from your fishing reports.
Main Stem Snake River
RECEIVE FISHING REPORT UPDATES!
Rating - Good
Flow varies above American Falls Reservoir because of irrigation diversion. From the Tilden Bridge area to American Falls Reservoir water conditions improve because of input from various spring creeks. Reservoir is at 10% of capacity. Streamer and wooly bugger remain the best patterns for action. Want to fish the river below American Falls Dam ? Flow is about 8150 cfs, so use a boat and big streamer and woolly buggers to do so.
Other Fishing Reports for Idaho Falls
Ririe Reservoir
Good
09/12/2025
Bank fishing has been pretty good if you can get out and deep enough for them. Trolling kokanee has slowed down a bit from about
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Island Park Reservoir
Fair
09/12/2025
Island Park is quite low right now so the water is a bit hotter than what you want for great fishing. Fishing Early and Late aft
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Palisades Reservoir
Good
09/12/2025
Fishing has slowed down a bit but trolling Rapala's or large spoons 25 to 30 feet are producing some fish still. The foot of the
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Henry's Fork of the Snake River
Fair
09/12/2025
Hopper/bead head nymph dropper rigs continue to work well as do terrestrial insect patterns presented close to banks. Terrestria
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South Fork of the Snake River
Good
09/12/2025
Palisades Reservoir is only 23% full. Expect only flow reductions for the rest of this fishing season. Flow out of Palisades Da
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Henry's Lake
Fair
09/12/2025
On Henrys Lake, trout have pushed into cooler water near inletsTarghee, Hope, and Duck Creeks are your best bets. Fish slow and
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