How high is the Yellowstone River at Forsyth Mount right now?

The Yellowstone River at Forsyth Mount is currently flowing at 19,000 cubic feet per second with a gage height of 4.51 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Yellowstone River at Forsyth Mount normal for this time of year?

Current flow is classified as low for June 11. Today's discharge is at the 13th percentile compared to the long-term historical record at this gauge.

Is the Yellowstone River at Forsyth Mount at flood stage?

No — the gage height is 9.49 feet below the NWS flood-stage threshold of 14.0 feet.

What is the historical median flow for the Yellowstone River at Forsyth Mount on June 11?

The long-term median discharge for this date is 29,900 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 17,700 to 63,700 cfs.

Where is the Yellowstone River at Forsyth Mount stream gauge located?

The Yellowstone River at Forsyth Mount stream gauge is operated by the USGS in Rosebud County, MT on the Yellowstone River. USGS site number 06295000 (coordinates 46.2666, -106.6913).

Yellowstone River at Forsyth Mount

USGS Site No: 06295000 • Yellowstone River • Rosebud County, MT

Yellowstone River at Forsyth Mount on the Yellowstone River is currently at 19,000 cfs (Low — 13th percentile for this date) . Gage height: 4.51 ft.

Reading from 1 week ago

↑ Upstream on Yellowstone River

Yellowstone River at Billings Mount

Downstream on Yellowstone River ↓

Yellowstone River at Miles City, Mount

19,000

CFS Discharge

4.51

Gage Height (ft)

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	17,700
25th	Low threshold	23,500	Today: 19,000 cfs
50th (Median)	Normal (median)	29,900
75th	High threshold	44,800
95th	Very High threshold	63,700

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	13,800	—
May 27, 2026	10,300	—
May 26, 2026	9,240	—
May 25, 2026	9,510	—
May 24, 2026	10,200	—
May 23, 2026	10,700	—
May 22, 2026	10,900	—
May 21, 2026	11,400	—
May 20, 2026	12,600	—
May 19, 2026	14,300	—
May 18, 2026	16,100	—
May 17, 2026	18,400	—
May 16, 2026	20,600	—
May 15, 2026	16,900	—
Apr 20, 2026	7,440	—
Apr 19, 2026	7,850	—
Apr 18, 2026	8,020	—
Apr 17, 2026	8,410	—
Apr 16, 2026	8,890	—
Apr 15, 2026	9,290	—
Apr 14, 2026	9,200	—
Apr 13, 2026	8,830	—
Apr 12, 2026	8,520	—
Apr 11, 2026	8,180	—
Apr 10, 2026	7,870	—
Apr 9, 2026	8,270	—
Apr 8, 2026	8,190	—
Apr 7, 2026	8,470	—
Apr 6, 2026	8,810	—
Apr 5, 2026	8,920	—

Station Information

USGS Site No: 06295000
State: MT
County: Rosebud County
Coordinates: 46.2666, -106.6913
Drainage Area: 40,152 mi²
Datum (ft): 2,508.1
HUC Code: 101000011202

View on USGS NWIS →

Flood Stage Thresholds

Flood Stage: 14.0 ft

Currently 9.49 ft below flood stage.

Recent Extremes

Max discharge: 42,000 cfs

Jun 4, 2025
Min discharge: 3,160 cfs

Aug 28, 2025
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

Tongue River below Brandenberg Bridge near Ashland Mount
37.0 mi · 201 cfs

Very Low
Bighorn River above Tullock Creek near Bighorn Mount
38.5 mi · 1,710 cfs

Very Low
Rosebud C Bel Lame Deer C near Lame Deer Mount
40.8 mi · 14 cfs

Low
Yellowstone River at Miles City, Mount
41.1 mi · 15,600 cfs

Very Low
Tongue River at Miles City, Mount
41.2 mi · 18 cfs

Very Low