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 10/02/26
At 114 cfs, the Middle Fork is running low and clear — classic early October conditions in the Frank Church. This is intimate water right now: technical presentations, spooky cutthroat in transparent pools, and every wading step counts. The upside is visibility into holding lies you'd never see at runoff levels, and fish stacked in the slower tailouts and deeper pockets before the river drops further. No recent shop intel — outlook based on current conditions and seasonal pattern. Expect midday BWO hatches between roughly 11am and 2pm as air temps climb into the low 60s; these small olives (#18-20) will be your best dry-fly trigger. Terrestrials — hoppers and ants — remain viable through the warm afternoons forecast for Oct 4-5. Swing soft hackles and small streamers in low light for any late-season steelhead that have pushed up.
- Flow: 114 cfs as of Oct 2 — very low and clear for October. Expect ultra-transparent pools demanding light tippet (5X-6X) and precise drifts.
- Hatches: Midday BWOs (#18-20) likely 11am-2pm as air temps reach 61-68°F. Ants and small hoppers still worth tying on during warm afternoon stretches.
- Water Temp: Cold freestone water in the low-to-mid 40s°F at dawn — near or just above the 45°F mark where trout activity picks up meaningfully mid-morning.
- Best Window: 10am-4pm. Let the sun hit the water and air temps climb before working dry flies. Low-light mornings best for swinging streamers for steelhead.
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 →
Nearby Waters
Closest Waters
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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.