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Fly Fish Food Jimmy's / Fishing Reports (Page 5)

Big Lost River, September 28th, 2024

September 28, 2024
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Big Lost River, Fishing Reports

Below Mackay Dam

Flow out of Mackay Dam is slightly higher that normal (215 cfs vs 188 cfs) but wading conditions are good.. Late afternoon BWO activity and remaining bank side terrestrial insects are resulting in some good top water fishing in the river below Mackay Dam. Presenting traditional nymph patterns in small and medium sizes work earlier in the day. A few dry fly enthusiasts are venturing in from the Sun Valley area to find relief from crowded Silver Creek.

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Main Stem Snake River, September 28th, 2024

September 28, 2024
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Fishing Reports, Main Stem Snake River

At Freeman Park

Evening BWO activity and bank side terrestrial insects are providing some pleasant evenings of dry fly fishing up and down the river. Flows are a bit below normal making for good wading conditions in some locations ( Try the river in Freeman Park). As fall rolls on streamer fishing will become increasingly effective as brown trout stage for their spawning runs and the rainbows that will follow them..

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Yellowstone Park, September 28th, 2024

September 28, 2024
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Fishing Reports, Yellowstone Park

The Firehole River continues to provide the best dry fly fishing in the Park with BWO and white miller activity and bank side terrestrial insect populations providing the reasons. Now that the northeast part of the park has drier weather, streams there are back in great shape with BWO, mahogany dun ( and some hecuba) mayflies along with hopper and ant populations making for good dry fly fishing. Much of the same applies to Fall River Basin streams which are now at base level flows making stealth necessary for top water fishing success.

Brown trout runs in the Madison River are increasing but so are the number of pursuing anglers using deep running streamer and large soft hackle patterns with success mostly early and late during the warm, sunny days. Brown trout are also staging to move into the Lewis River channel between Lewis and Shoshone lakes to provide result in the famed fall run that attracts world wide fly fishers.

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South Fork, September 28th, 2024

September 28, 2024
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Fishing Reports, South Fork

Near Spring Creek Launch Site

Flow in the South Fork is exactly where it should be for this time of the year ( about 5500 cfs at Irwin, 5600 cfs at Heise and 2400 cfs at Lorenzo). From the Willow Creek confluence on downstream to American Falls Reservoir aquifer recharge has been significant enough to provide adequate water, thanks to very abundant snowfall the previous winter, for downstream irrigation. Thus water storage is on going in Palisades Reservoir which is now about 50% full. So walk- in- wade opportunities are numerous. The current warm, sunny days and fall colors make for great outings, but we need some unsettled weather to improve BWO activity and to extend streamer fishing into more daytime hours.

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Henry’s Fork, September 28th, 2024

September 28, 2024
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Fishing Reports, Henry's Fork

Fun Farm Bridge

Currently, most of the water flowing through Box Canyon on down to the Last Chance-Harriman reach is coming from the Buffalo River. Thus plenty of stealth and studied approaches are required for fishing success in these areas. Abundant bank side terrestrial insect populations remain making for good top water fishing while BWOs are providing some afternoon activity during the current run of warm, sunny days. Aquatic weeds remain plentiful enough in slower water to impact nymphing and streamer presentation. Hoppers and ants are providing good top water fishing along lower river banks, but afternoon BWO activity needs unsettled weather to improve. Evening midge activity can produce some good fishing. Brown trout here are becoming aggressive enough to make streamer presentation effective under low light conditions.

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Henry’s Lake, September 28th, 2024

September 28, 2024
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Fishing Reports, Henry's Lake

The Idaho Department of Health and Welfare has issued a warning for the west side of Henry’s Lake where high amounts of toxic matter producing algae are present. These toxins can be harmful to people, pets, and livestock, so a much as possible, avoid contact with the water. The arrival of weather cold enough to reduce this danger is uncertain.

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Yellowstone Park, September 21st, 2024

September 21, 2024
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Fishing Reports, Yellowstone Park

Storms earlier this week are helping push Hebgen Lake browns and rainbows into the Park portion of the Madison River. Streamer and large soft hackle patterns fished deep will be active here for several weeks to come. Crowds will increase along the river as word of good numbers of migrating trout becomes public. Those storms persisted for days in the northeast corner of the Park making Slough and Soda butte creeks and the Lamar River quite discolored. The Firehole River, however, is offering great late season fishing with BWO and caddis activity peaking. Swinging soft haclle patterns this time of the seson is always effective. Discolor in Fall River Basin streams is receding significantly and terrestrial inesct populations are active again. Long drag free floats produce best for those fly fishers cautious enough to avoid close ventures to stream banks

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Still Water, September 21st, 2024

September 21, 2024
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Fishing Reports, Still Water

Aldous Lake

Aldous Lake is an off the beaten path still water above Kilgore, and it hosts a Yellowstone cutthroat trout population that ranges into trophy sizes. It offers solitude but requires a flotation device for the best chances of fly fishing success. The walk to it from the trailhead is about a mile and a quarter with only one switchback of consequence. Surrounded by forest and some steep south side shoreline there is a limited space on the west side having room for casting. Best chances for fishing success is out in the lake around springs where small nymph patterns under and indicator and mayfly emerger patterns. As we cool off, fishing slows down here, but for the next few weeks Aldous Lake is worth considering for a visit.

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Henry’s Fork, September 21st, 2024

September 21, 2024
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Fishing Reports, Henry's Fork

Flow is down throughout the river making for a good selection of walk-in-wade locations. Low flow in Box Canyon concentrates fish into deeper water such as directly below Island Park Dam. Streamer and jig patterns presented during low light conditions here and in deep downstream runs below the Buffalo River confluence will be effective as will large nymph and rubber leg patterns drifted deep. Consider the Tubs area below the Big Springs-Outlet confluence where the same strategy applies. Low water prevails on the lower river where the autumn mayfly emergence peak and a good terrestrial insect population exists. The same is ongoing in the Last Chance-Harriman reach. Streamer and jig patterns will become more effective below Lower Mesa Falls for brown trout as we move into October.

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South Fork, September 21st, 2024

September 21, 2024
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Fishing Reports, South Fork

September Colors

Flow out of Palisades Dam has been dropping in the form of a negative mode step function (6000 cfs at Irwin, 6100 cfs at Heise and 3300 cfs at Lorenzo). That’s because water managers are now thinking time to build reservoir storage. The result of these actions for fly fishers is the best time of the year to fly fish the South Fork. The autumn may fly emergence peak is ongoing and, to date no killing frost yet to reduce terrestrial insect populations, all making for great top water fishing. There is a superb walk-in-wade selection and brown trout becoming more aggressive towards streamer patterns presented in low light conditions. Fall colors are on the rise and visiting anglers are greatly reduced. We at Fly Fish Foods Jimmy’s keep track of where to try, when and what to use and water conditions on this great river. We are certainly willing to share this information with you!

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Fly tying classes are offered mainly during Winter. Fly tying demonstrations, featuring tiers from around the area and beyond are held every Saturday morning (November through March) and are free and open to anyone to watch.

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