Swan Valley
South Fork Snake River
Live Conditions
South Fork Snake River — Below Palisades Dam
7-Day Flow
→ Stable
24-Hr Pressure
25.06 inHg · → High/stable
Local Weather
Tough conditions — fish deep
Today
🌧️Rain
47° / 42°
0.59"
Tomorrow
🌦️Drizzle
46° / 35°
0.07"
Tue
☁️Overcast
47° / 33°
Wed
☁️Overcast
48° / 37°
Rain in forecast — expect rising, off-color water in 12–24 hrs.
Weather by Open-Meteo · No API key · Updated every 30 min
What should I fish today?
⚡ AIAI-powered recommendation using today's live flow, temperature, and hatch data.
9
Time of Day
Using: 2,090 CFS · Midges dominant. BWOs on mild afternoons. Brown trout spawn — streamer fishing peaks. RESPECT REDDS. Tailwater stays open while surrounding freestones freeze.
What should I pack?
Rod, flies, tippet, and safety gear specific to today's South Fork Snake River conditions.
🪰 Hatch Calendar
South Fork Snake River · November · Late Fall
Showing typical dates — water temperature data unavailable for live hatch predictions.
Select month
Midges dominant. BWOs on mild afternoons. Brown trout spawn — streamer fishing peaks. RESPECT REDDS. Tailwater stays open while surrounding freestones freeze.
River Map
About South Fork Snake River
Iconic big-water tailwater below Palisades Reservoir flowing through Swan Valley. Native Yellowstone Cutthroat share the river with rainbows and trophy browns — best known for the Salmonfly hatch, summer Caddis and PMDs, and a legendary hopper season.
Regulations
Catch-and-release only for cutthroat trout in the upper canyon section — one of the best dry fly rivers in Idaho. Idaho fishing license required. Verify current regs at idfg.idaho.gov before fishing.
Learn More
Guides to help you fish South Fork Snake River with more confidence.
Idaho Fishing Regulations for Fly Anglers
Idaho's generous six-trout general limit — and the strict river-specific exceptions that override it. Licenses and the steelhead/salmon permits, bull…
Trout Species of Idaho
Idaho's six defining salmonids — the famous wild Henry's Fork rainbows, native westslope cutthroat of the St. Joe/Lochsa/Selway, federally threatened…
Silver Creek, Idaho: The West's Most Technical Spring Creek
Silver Creek near Picabo, Idaho is a spring creek of exceptional clarity and difficulty — flat, clear water with large, selective brown and rainbow…