Swan Valley
South Fork Snake River
Live Conditions
South Fork Snake River — Below Palisades Dam
7-Day Flow
→ Stable
24-Hr Pressure
24.82 inHg · → High/stable
Local Weather
Tough conditions — fish deep
Today
☁️Overcast
71° / 45°
Tomorrow
☁️Overcast
61° / 42°
Wed
☀️Clear sky
60° / 32°
Thu
☁️Overcast
70° / 46°
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
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 · May · Late Spring
Showing typical dates — water temperature data unavailable for live hatch predictions.
Select month
BWOs continue. Caddis (size 14-16) starting. Skwalas continuing. Reservoir releases beginning to climb — flows often pushing toward 6,000 CFS by late month for irrigation.
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.