Middle Fork of the Salmon
Frank Church Wilderness Float
Idaho, USA
Open live forecast →Target species: Cutthroat, Rainbow, and Steelhead.
Stream gauge: 13310700. Flow and water temperature update on every refresh.
Weekly AI Outlook as of 07/31/26
At 154 cfs, the Middle Fork is running low and clear — classic late-July condition that concentrates fish in the deeper slots, undercut banks, and plunge pools below rapids. This is technical water right now: long leaders, careful presentations, and approaching fish from downstream. Golden Stones are the headline hatch, with spinners and spent adults in the slower tailouts during evening light. Caddis are at peak activity — expect rises through midday and again as shadows hit the canyon walls in late afternoon. No recent shop intel available; outlook is based on current gauge and calendar. With temps forecast in the upper 70s cooling to the low 60s by mid-week, fish activity should hold through the transition.
- Flow: 154 cfs — low and clear for late July. Expect spooky fish in open water; target slots, undercuts, and shaded canyon walls. Stealthy approaches rewarded.
- Hatches: Golden Stones peaking — Stimulator Yellow #10 or PMX in evening tailouts. Caddis at peak month; Elk Hair Caddis #16 and X-Caddis effective midday through late afternoon.
- Water Temp: Likely mid-to-upper 60s°F in canyon stretches — watch for afternoon thermal stress in slow pools; fish mornings and evenings hard, rest midday if temps spike.
- Best Window: Early morning for aggressive dry-fly takes, then again 5–7pm as canyon shadows cool the water. Midday wind 17–22mph may dampen surface activity in open corridors.
Generated weekly from live USGS gauge readings, weather forecasts, and recent fly shop reports. Updates Friday mornings.
About this Water
- Freestone
- Best months: June–Sept (float season); July–Aug peak for cutthroat
The Middle Fork of the Salmon River offers one of the greatest wilderness adventures in North America — a 100-mile float through the Frank Church–River of No Return Wilderness, the largest roadless area in the lower 48 states. Wild westslope cutthroat trout rise to dry flies throughout the canyon. Hot springs emerge from the granite walls directly beside camp. Bighorn sheep watch from the cliffs above. Steelhead are present in the lower reaches in season. This is fly fishing as exploration of the American West.
The Middle Fork canyon contains over 100 named hot springs accessible directly from the river corridor — evening soaks in natural hot pools are as much a part of the Middle Fork experience as the exceptional wild cutthroat fishing.
Hatch Calendar
| Insect | Peak | Active | Size | Productive Patterns |
|---|---|---|---|---|
| Salmon Fly Pteronarcys californica |
Jun | May, Jun | #4–8 |
|
| Golden Stonefly Perlidae spp. |
Jun | Jun, Jul | #8–12 |
|
| Caddis Hydropsyche spp. |
Jul | Jul, Aug | #14–18 |
|
Access & Approach
Licensed outfitters are required for most float trips — self-guided permits are issued by lottery. Put-in at Boundary Creek or Indian Creek; take-out at Cache Bar near North Fork. Idaho fishing licence required. The BLM manages the river corridor. Book outfitters 12+ months in advance.
Nearby Fly Shops
- Stanley Fly Shop
Regulations & License
Fishing in Idaho requires a current license. Always verify season dates, bag limits, and any special-regulation waters before you fish.
Idaho fishing regulations & license →
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About Current
Middle Fork of the Salmon conditions on Current combine real-time flow data (USGS, WSC, CDEC, CEHQ), weather, tide predictions, hatch probabilities calibrated to this specific water, and recent fly shop reports from the area.
Middle Fork of the Salmon is one of 245 hand-curated waters in Current. The app and web forecast also generate AI outlooks for any unlisted river, lake, or saltwater flat anywhere in the world — drop a pin or paste a name and Current produces a fresh seasonal outlook with weather, flow context, and recommended techniques.
Open the live forecast for today's numbers and the 7-day outlook, or download the iOS app to carry it with you on the water.