How high is the Henrys Fork at St Anthony ID right now?

The Henrys Fork at St Anthony ID is currently flowing at 1,190 cubic feet per second with a gage height of 3.56 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Henrys Fork at St Anthony ID normal for this time of year?

Current flow is classified as very low for June 11. Today's discharge is at the 10th percentile compared to the long-term historical record at this gauge.

Is the Henrys Fork at St Anthony ID at flood stage?

No — the gage height is 3.44 feet below the NWS flood-stage threshold of 7.0 feet.

What is the historical median flow for the Henrys Fork at St Anthony ID on June 11?

The long-term median discharge for this date is 3,030 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 1,200 to 6,330 cfs.

Where is the Henrys Fork at St Anthony ID stream gauge located?

The Henrys Fork at St Anthony ID stream gauge is operated by the USGS in Fremont County, ID on the Henrys Fork. USGS site number 13050500 (coordinates 43.9669, -111.6725).

Henrys Fork at St Anthony ID

USGS Site No: 13050500 • Henrys Fork • Fremont County, ID

Henrys Fork at St Anthony ID on the Henrys Fork is currently at 1,190 cfs (Very Low — 10th percentile for this date) . Gage height: 3.56 ft.

Reading from 1 week ago

↑ Upstream on Henrys Fork

Henrys Fork near Ashton ID

Downstream on Henrys Fork ↓

Henrys Fork near Rexburg ID

1,190

CFS Discharge

3.56

Gage Height (ft)

Very Low

Flow Condition

Normal

Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for June 11 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.

Percentile	Label	CFS Threshold	Today's Flow
10th	Very Low threshold	1,200	Today: 1,190 cfs
25th	Low threshold	1,830
50th (Median)	Normal (median)	3,030
75th	High threshold	4,170
95th	Very High threshold	6,330

30-Day Hydrograph

Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.

10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date	Discharge (CFS)	Gage Ht (ft)
May 28, 2026	1,250	—
May 27, 2026	1,210	—
May 26, 2026	1,090	—
May 25, 2026	977	—
May 24, 2026	930	—
May 23, 2026	925	—
May 22, 2026	969	—
May 21, 2026	911	—
May 20, 2026	753	—
May 19, 2026	719	—
May 18, 2026	733	—
May 17, 2026	826	—
May 16, 2026	957	—
May 15, 2026	1,050	—
Apr 20, 2026	1,050	—
Apr 19, 2026	1,200	—
Apr 18, 2026	1,260	—
Apr 17, 2026	1,460	—
Apr 16, 2026	1,380	—
Apr 15, 2026	1,010	—
Apr 14, 2026	1,030	—
Apr 13, 2026	1,070	—
Apr 12, 2026	1,120	—
Apr 11, 2026	962	—
Apr 10, 2026	959	—
Apr 9, 2026	1,090	—
Apr 8, 2026	1,160	—
Apr 7, 2026	1,220	—
Apr 6, 2026	1,330	—
Apr 5, 2026	1,420	—

Station Information

USGS Site No: 13050500
State: ID
County: Fremont County
Coordinates: 43.9669, -111.6725
Drainage Area: 1,770 mi²
Datum (ft): 4,953.2
HUC Code: 17040203

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 6.5 ft
Flood Stage: 7.0 ft
Moderate Flood: 8.2 ft
Major Flood: 11.0 ft

Currently 3.44 ft below flood stage.

Recent Extremes

Max discharge: 3,060 cfs

May 12, 2025
Min discharge: 700 cfs

Oct 9, 2025
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

Teton River near St Anthony ID
4.0 mi · 1,590 cfs

Normal
Fall River near Chester ID
6.3 mi · 998 cfs

Low
Nf Teton River near Sugar City ID
6.9 mi · 195 cfs

Low
Sf Teton River Near Rexburg ID
10.5 mi · 432 cfs

Low
Henrys Fork near Ashton ID
10.7 mi · 1,260 cfs

Very Low