South Fork & Henry's Fork Fishing Reports

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South Fork

Jimmy's All Seasons Angler / South Fork (Page 16)

South Fork 5-26-15

Flow out of Palisades Dam was dropped from 13000 cfs to 10000 cfs yesterday. Streamer, big nymphs (Golden stone nymph patterns), and rubber leg patterns continue to produce best as larger fish are staying close to bottom where scoured food forms are drifting. Try midge pupa and your favorite BWO nymph patterns because river is beginning to warm. A few fish are taking BWO duns on the surface.

There was a  boat accident near Conant that proved fatal  this weekend. Please be careful not only when boating, but also while wading this powerful river.

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South Fork 5-22-15

Flow out of Palisades Dam was reduced to 12900 cfs early today. Water temp throughout the the river to Menan is in the mid forties in deg. F.  Fishing remains good partly because all recent flow reductions have been relatively small and water temp is climbing. Try rubberlegs, golden stone nymph patterns, olive or chartreuse clousers, sculpzillas.   For smaller patterns try BWO nymph and midge pupa patterns.

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South Fork 5-19-15

BuRec is decreasing the flow out of Palisades Dam.  Look for flow there to be around 13000 cfs soon. BWOs are out in huge numbers, but not many fish responding to them.  Here’s why: flush has scoured nymphs and aquatic worms out of stream bed so that many are drifting. Fish do not have to rise to feed.  They sit deep and pick off drifting bugs and worms. So present your rubber legs and San Juan worm patterns deep, and you will get results.

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South Fork 5-12-15

As we reported last Saturday, the flow out of Palisades Dam is ramping up.  Current flow out of dam is  just over 15200 cfs on its way up to 19000 cfs later this week.   For the next week, you may as well go to the Henry’s Fork and look for fish taking earlier than usual big stonefly adult patterns!

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South Fork 5-9-15

Here are details about the upcoming flush out of Palisades Dam. Beginning Monday, May 11th, flow out of the dam goes up gradually to 19000 cfs by Friday, May 15th.   Three days later flow will begin ramping down to 13000 cfs. So expect cold, fast water in the South Fork for several days beginning Monday. This is an effort to flush out developing rainbow trout eggs and fry to the benefit of native cutthroat that historically spawn later. Thinking of giving the South Fork a try with streamer and rubberleg patterns? Best do so this weekend!

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South Fork 4-25-15

Flow  out of Palisades Dam is now just over 12000 cfs but rate of increase has really slowed last several days. Reason for increasing flow is irrigation demands in Magic Valley where growing season is way ahead for the time of year.  Nymphing riffles is productive as water temperature is in low 40s, degrees F. throughout.  Rainbows are spawning.

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South Fork 4-14-15

Flow out of Palisades Dam was increased each of the last three days making the South Fork water graph look like a step function.  Now at 6530 cfs out of the dam, flow at Heise is a bit higher, and water temperature there is now in the low 40s in degrees Fahrenheit.

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South Fork 4-11-15

Another 500 cfs boost in flow out of Palisades Dam came about early on April 9th to 4500 cfs. This translates to about 4800 cfs at Heise. Water there remains around 40 deg. F.

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South Fork 4-7-15

Flow out of Palisades Dam was increased another 500 cfs early this morning to just under 4000 cfs. This increases the flow at Heise to just under 4300 cfs. Water temperature remains in the high 30s in degrees F. from the dam to Heise.  In sum, these increases may make the river friendlier to drift boats, but leaves plenty of candidate locations for good walk-in-wade fishing.

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South Fork 4-4-15

Flow out of Palisades Dam was bumped up again yesterday early AM to about 3500 cfs. Water temp. still in high 30s in deg. F, there, but increases at Lorenzo to lo 40s same degrees.

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