Swan Valley
South Fork Snake River
Live Conditions
South Fork Snake River — Below Palisades Dam
7-Day Flow
→ Stable
24-Hr Pressure
24.88 inHg · → High/stable
Local Weather
Tough conditions — fish deep
Today
☁️Overcast
77° / 44°
Tomorrow
☁️Overcast
83° / 55°
Sat
🌦️Drizzle
79° / 58°
0.03"
Sun
☁️Overcast
80° / 54°
Cold front incoming — go deep with nymphs, surface activity likely slow.
Weather by Open-Meteo · No API key · Updated every 30 min
What should I fish today?
One call. Specific to today's exact conditions on the South Fork Snake River.
2
Time of Day
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 · June · Early Summer
Showing typical dates — water temperature data unavailable for live hatch predictions.
Select month
SALMONFLIES (size 4-6) and GOLDEN STONES (size 6-8) hatching — the iconic South Fork hatch. Caddis evenings. PMDs starting late month. High flows but float fishing prime. Big nymphs and big dries.
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.