What is the current flow on Henrys Fork?

Henrys Fork was running 1,580 cubic feet per second as of Aug 1, 2026, 6:15 PM UTC, measured at USGS gauge 13046000. This is a build-time snapshot rather than a live reading — check the USGS gauge directly before relying on it.

Henrys Fork

Idaho. Streamflow and water-temperature readings from USGS gauges. Running 1,580 cfs as of Aug 1, 2026, 6:15 PM UTC.

Latest Reading

1,580

cubic feet / second

USGS gauges

Flow measured Aug 1, 2026, 6:15 PM UTC at gauge 13046000. These are build-time snapshots, not a live feed — check the USGS gauge before relying on them.

USGS Gauges on Henrys Fork

Gauge	Station	Water temp?
13039500	HENRYS FORK NR LAKE ID	—
13042500	HENRYS FORK NR ISLAND PARK ID	—
13046000	HENRYS FORK NR ASHTON ID	—
13050500	HENRYS FORK AT ST ANTHONY ID	—
13056500	HENRYS FORK NR REXBURG ID	Yes

Fly fishing rivers →Idaho lakes →

Conditions: USGS NWIS (public domain).