Snake River near Irwin, ID (South Fork, below Palisades Dam)

BONNEVILLE COUNTY, ID43.3508°N, -111.2189°W Updated 9 hr ago

FLOW RATE

14,185cfs

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

14,185cfs 11.7% vs avg

Optimal band: 10,004–13,534 cfs

PERIOD HIGH

14,185cfs

PERIOD LOW

10,416cfs

RUNNABLE

84%

last 30 day in band

Precipitation History

Your History · Snake River near Irwin, ID (South Fork, below Palisades Dam)

Track your history

Sign in to track your sessions at Snake River near Irwin, ID (South Fork, below Palisades Dam) — best days, monthly trends, and time on the water.

43.3508, -111.2189

Loading map…

DATA · USGS · NOAA · NWSUPDATED 2026-07-07 00:00 UTC

Site #13032500·USGS

Create a free account to save favorites, set flow alerts, and track conditions