How high is the North Fork Sun River Near Augusta Mount right now?

The North Fork Sun River Near Augusta Mount is currently flowing at 1,780 cubic feet per second with a gage height of 6.44 feet, based on the most recent USGS instantaneous reading.

Is the flow on the North Fork Sun River Near Augusta Mount normal for this time of year?

Current flow is classified as normal for June 11. Today's discharge is at the 71th percentile compared to the long-term historical record at this gauge.

Is the North Fork Sun River Near Augusta Mount at flood stage?

No — the gage height is 2.56 feet below the NWS flood-stage threshold of 9.0 feet.

What is the historical median flow for the North Fork Sun River Near Augusta Mount on June 11?

The long-term median discharge for this date is 1,320 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 675 to 3,000 cfs.

Where is the North Fork Sun River Near Augusta Mount stream gauge located?

The North Fork Sun River Near Augusta Mount stream gauge is operated by the USGS in Teton County, MT on the North Fork Sun River. USGS site number 06078500 (coordinates 47.6399, -112.8593).

North Fork Sun River Near Augusta Mount

USGS Site No: 06078500 • North Fork Sun River • Teton County, MT

North Fork Sun River Near Augusta Mount on the North Fork Sun River is currently at 1,780 cfs (Normal — 71th percentile for this date) . Gage height: 6.44 ft.

Reading from 1 week ago

1,780

CFS Discharge

6.44

Gage Height (ft)

Normal

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	675
25th	Low threshold	1,030
50th (Median)	Normal (median)	1,320
75th	High threshold	1,870	Today: 1,780 cfs
95th	Very High threshold	3,000

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	1,700	—
May 27, 2026	1,450	—
May 26, 2026	1,080	—
May 25, 2026	810	—
May 24, 2026	608	—
May 23, 2026	534	—
May 22, 2026	542	—
May 21, 2026	584	—
May 20, 2026	610	—
May 19, 2026	652	—
May 18, 2026	728	—
May 17, 2026	836	—
May 16, 2026	988	—
May 15, 2026	1,230	—
Apr 20, 2026	493	—
Apr 19, 2026	468	—
Apr 18, 2026	487	—
Apr 17, 2026	526	—
Apr 16, 2026	585	—
Apr 15, 2026	630	—
Apr 14, 2026	670	—
Apr 13, 2026	690	—
Apr 12, 2026	663	—
Apr 11, 2026	578	—
Apr 10, 2026	513	—
Apr 9, 2026	500	—
Apr 8, 2026	519	—
Apr 7, 2026	542	—
Apr 6, 2026	459	—
Apr 5, 2026	425	—

Station Information

USGS Site No: 06078500
State: MT
County: Teton County
Coordinates: 47.6399, -112.8593
Drainage Area: 259 mi²
Datum (ft): 4,783.8
HUC Code: 10030104

View on USGS NWIS →

Flood Stage Thresholds

Flood Stage: 9.0 ft

Currently 2.56 ft below flood stage.

Recent Extremes

Max discharge: 2,510 cfs

Mar 21, 2026
Min discharge: 55 cfs

Sep 29, 2025
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

South Fork Sun River Near Augusta Mount
0.8 mi · 2,350 cfs

Very High
Sun River below Diversion Dam near Augusta Mount
7.9 mi · 3,420 cfs

High
Teton River below South Fork near Choteau Mount
20.4 mi · 417 cfs

Normal
Sun River below Willow Creek near Augusta Mount
23.8 mi · 3,700 cfs

High
South F Flathead River above Twin C near Hungry Horse Mount
40.1 mi · 13,600 cfs

High