How high is the Cheyenne River Near Buffalo Gap SD right now?

The Cheyenne River Near Buffalo Gap SD is currently flowing at 42 cubic feet per second with a gage height of 2.13 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Cheyenne River Near Buffalo Gap SD normal for this time of year?

Current flow is classified as low for June 11. Today's discharge is at the 17th percentile compared to the long-term historical record at this gauge.

Is the Cheyenne River Near Buffalo Gap SD at flood stage?

No — the gage height is 10.87 feet below the NWS flood-stage threshold of 13.0 feet.

What is the historical median flow for the Cheyenne River Near Buffalo Gap SD on June 11?

The long-term median discharge for this date is 60 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 36 to 1,150 cfs.

Where is the Cheyenne River Near Buffalo Gap SD stream gauge located?

The Cheyenne River Near Buffalo Gap SD stream gauge is operated by the USGS in Custer County, SD on the Cheyenne River. USGS site number 06402600 (coordinates 43.5020, -103.0744).

Cheyenne River Near Buffalo Gap SD

USGS Site No: 06402600 • Cheyenne River • Custer County, SD

Cheyenne River Near Buffalo Gap SD on the Cheyenne River is currently at 42 cfs (Low — 17th percentile for this date) . Gage height: 2.13 ft.

Reading from 1 week ago

↑ Upstream on Cheyenne River

Cheyenne River Below Angostura Dam,sd

Downstream on Cheyenne River ↓

Cheyenne River at Red Shirt, SD

CFS Discharge

2.13

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	36
25th	Low threshold	50	Today: 42 cfs
50th (Median)	Normal (median)	60
75th	High threshold	116
95th	Very High threshold	1,150

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	49	2.20
May 27, 2026	51	2.22
May 26, 2026	65	2.35
May 25, 2026	79	2.46
May 24, 2026	89	2.53
May 23, 2026	110	2.68
May 22, 2026	111	2.68
May 21, 2026	90	2.54
May 20, 2026	85	2.50
May 19, 2026	91	2.55
May 18, 2026	82	2.48
May 17, 2026	65	2.35
May 16, 2026	71	2.39
May 15, 2026	85	2.50
Apr 20, 2026	58	2.27
Apr 19, 2026	61	2.30
Apr 18, 2026	64	2.32
Apr 17, 2026	58	2.28
Apr 16, 2026	54	2.23
Apr 15, 2026	56	2.25
Apr 10, 2026	63	2.32
Apr 9, 2026	62	2.31
Apr 4, 2026	72	2.39
Mar 27, 2026	70	2.38
Mar 24, 2026	70	2.38
Mar 17, 2026	78	2.44
Mar 15, 2026	74	2.41
Mar 14, 2026	74	2.41
Mar 13, 2026	73	2.41
Mar 12, 2026	74	2.42

Station Information

USGS Site No: 06402600
State: SD
County: Custer County
Coordinates: 43.5020, -103.0744
Drainage Area: 9,792 mi²
Datum (ft): 2,812.9
HUC Code: 10120109

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 12.0 ft
Flood Stage: 13.0 ft
Moderate Flood: 14.0 ft
Major Flood: 15.0 ft

Currently 10.87 ft below flood stage.

Recent Extremes

Max discharge: 127 cfs

May 26, 2025
Min discharge: 44 cfs

May 13, 2025
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

Beaver Creek Near Buffalo Gap,sd
11.9 mi · 18 cfs

Very High
Cheyenne River at Red Shirt, SD
14.9 mi · 48 cfs

Very Low
Battle Creek Below Hermosa,sd
17.6 mi · 3 cfs

Low
Fall River at Hot Springs,sd
20.8 mi · 36 cfs

High
French Creek Above Fairburn SD
20.9 mi · 2 cfs

Low