🎣 Swan Valley ID — South Fork of the Snake
Palisades Dam → Idaho Falls · live river conditions & weather
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Snake River nr Heise (USGS 13037500)
7-Day Weather
Source: Open-Meteo · Swan Valley, ID (43.46°N, -111.34°W)
Wind & Temp
Hourly forecast · next 5 days
Wind Detail
Direction · speed · gusts · 3-hour intervals · next 7 days (mph)
Radar
Source: Windy.com · Swan Valley, ID
River Gauges
Source: USGS Water Services · last reading + 7-day trend
Water Temperatures
Source: HFF South Fork Initiative sondes (USF, CSF, LSF) · Trout: cold <50°F · optimal 50–65°F · stress 65–70°F · lethal >70°F
Sunrise · Sunset · Moon
Daylight times for Swan Valley
Hatch Chart
What's hatching on the South Fork now & soon · matching flies
More Data
South Fork dashboards & partner sources
HFF South Fork Initiative
HFF River Conditions
Water Quality (HFF)
USGS · Heise gauge
USGS · Palisades release (Irwin)
USBR · Palisades Dam
NWS forecast
🐟 Real-time water-temperature data courtesy of the Henry's Fork Foundation — “The Voice of the River.” Used with permission.