How high is the Cheyenne River Below Angostura Dam,sd right now?

The Cheyenne River Below Angostura Dam,sd is currently flowing at 1 cubic feet per second with a gage height of 2.86 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Cheyenne River Below Angostura Dam,sd normal for this time of year?

Current flow is classified as very low for June 11. Today's discharge is at the 8th percentile compared to the long-term historical record at this gauge.

What is the historical median flow for the Cheyenne River Below Angostura Dam,sd on June 11?

The long-term median discharge for this date is 2 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 1 to 1,020 cfs.

Where is the Cheyenne River Below Angostura Dam,sd stream gauge located?

The Cheyenne River Below Angostura Dam,sd stream gauge is operated by the USGS in Fall River County, SD on the Cheyenne River. USGS site number 06401500 (coordinates 43.3450, -103.4371).

Cheyenne River Below Angostura Dam,sd

USGS Site No: 06401500 • Cheyenne River • Fall River County, SD

Cheyenne River Below Angostura Dam,sd on the Cheyenne River is currently at 1 cfs (Very Low — 8th percentile for this date) . Gage height: 2.86 ft.

Reading from 1 week ago

↑ Upstream on Cheyenne River

Cheyenne River at Edgemont,sd

Downstream on Cheyenne River ↓

Cheyenne River Near Buffalo Gap SD

CFS Discharge

2.86

Gage Height (ft)

Very Low

Flow Condition

N/A

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	Today: 1 cfs
25th	Low threshold	1
50th (Median)	Normal (median)	2
75th	High threshold	139
95th	Very High threshold	1,020

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	2.86
May 27, 2026	1	2.86
May 26, 2026	1	2.85
May 25, 2026	1	2.85
May 24, 2026	1	2.86
May 23, 2026	1	2.86
May 22, 2026	1	2.88
May 21, 2026	1	2.87
May 20, 2026	1	2.87
May 19, 2026	1	2.87
May 18, 2026	1	2.87
May 17, 2026	1	2.86
May 16, 2026	1	2.85
May 15, 2026	1	2.85
Apr 20, 2026	1	2.87
Apr 19, 2026	1	2.87
Apr 18, 2026	1	2.87
Apr 17, 2026	1	2.88
Apr 16, 2026	1	2.87
Apr 15, 2026	1	2.88
Apr 14, 2026	1	2.88
Apr 13, 2026	1	2.88
Apr 12, 2026	1	2.88
Apr 11, 2026	1	2.88
Apr 10, 2026	1	2.89
Apr 2, 2026	1	2.89
Apr 1, 2026	1	2.89
Mar 31, 2026	1	2.88
Mar 30, 2026	1	2.87
Mar 29, 2026	1	2.87

Station Information

USGS Site No: 06401500
State: SD
County: Fall River County
Coordinates: 43.3450, -103.4371
Drainage Area: 9,097 mi²
Datum (ft): 3,060.3
HUC Code: 10120109

View on USGS NWIS →

Recent Extremes

Max discharge: 3 cfs

Aug 31, 2025
Min discharge: 1 cfs

Mar 21, 2026

Computed from the local daily-values archive.

Nearby Gauges

Fall River at Hot Springs,sd
6.2 mi · 36 cfs

High
Hat Creek Near Edgemont,sd
10.5 mi · 0 cfs

Low
Beaver Creek Near Buffalo Gap,sd
10.7 mi · 18 cfs

Very High
Horsehead Creek at Oelrichs,sd
15.2 mi · 0 cfs

Normal
Cheyenne River at Edgemont,sd
19.5 mi · 6 cfs

Low