How high is the Grand River at Little Eagle,sd right now?

The Grand River at Little Eagle,sd is currently flowing at 86 cubic feet per second with a gage height of 2.88 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Grand River at Little Eagle,sd normal for this time of year?

Current flow is classified as normal for June 11. Today's discharge is at the 32th percentile compared to the long-term historical record at this gauge.

Is the Grand River at Little Eagle,sd at flood stage?

No — the gage height is 12.12 feet below the NWS flood-stage threshold of 15.0 feet.

What is the historical median flow for the Grand River at Little Eagle,sd on June 11?

The long-term median discharge for this date is 172 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 25 to 1,260 cfs.

Where is the Grand River at Little Eagle,sd stream gauge located?

The Grand River at Little Eagle,sd stream gauge is operated by the USGS in Corson County, SD on the Grand River. USGS site number 06357800 (coordinates 45.6578, -100.8182).

Grand River at Little Eagle,sd

USGS Site No: 06357800 • Grand River • Corson County, SD

Grand River at Little Eagle,sd on the Grand River is currently at 86 cfs (Normal — 32th percentile for this date) . Gage height: 2.88 ft.

Reading from 1 week ago

CFS Discharge

2.88

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	25
25th	Low threshold	52
50th (Median)	Normal (median)	172	Today: 86 cfs
75th	High threshold	517
95th	Very High threshold	1,260

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	111	3.02
May 27, 2026	145	3.18
May 26, 2026	217	3.48
May 25, 2026	352	3.95
May 24, 2026	104	2.98
May 23, 2026	91	2.91
May 22, 2026	75	2.81
May 21, 2026	70	2.78
May 20, 2026	68	2.77
May 19, 2026	64	2.74
May 18, 2026	55	2.69
May 17, 2026	50	2.65
May 16, 2026	46	2.62
May 15, 2026	49	2.64
Apr 21, 2026	—	3.01
Apr 20, 2026	105	3.05
Apr 19, 2026	113	3.09
Apr 18, 2026	123	3.14
Apr 17, 2026	136	3.19
Apr 16, 2026	147	3.24
Apr 15, 2026	174	3.35
Apr 14, 2026	206	3.47
Apr 13, 2026	258	3.66
Apr 12, 2026	344	3.94
Apr 11, 2026	493	4.37
Apr 10, 2026	723	4.97
Apr 9, 2026	844	5.25
Apr 8, 2026	776	5.09
Apr 7, 2026	968	5.45
Apr 6, 2026	190	3.41

Station Information

USGS Site No: 06357800
State: SD
County: Corson County
Coordinates: 45.6578, -100.8182
Drainage Area: 5,316 mi²
Datum (ft): 1,625.9
HUC Code: 10130303

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 13.0 ft
Flood Stage: 15.0 ft
Moderate Flood: 17.0 ft
Major Flood: 21.0 ft

Currently 12.12 ft below flood stage.

Recent Extremes

Max discharge: 8,460 cfs

May 17, 2025
Min discharge: 28 cfs

Apr 22, 2025
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

Oak Creek near Rattlesnake Butte near Wakpala, SD
11.8 mi · 2 cfs

Very Low
Moreau River at Promise SD
23.9 mi · 0 cfs

Unknown
Moreau River Near Whitehorse,sd
27.8 mi · 67 cfs

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Porcupine Creek Near Fort Yates, ND
37.1 mi · 8 cfs

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Cedar Creek near Raleigh, ND
38.9 mi · 8 cfs

Low