How high is the Big Sioux River Near Brookings,sd right now?

The Big Sioux River Near Brookings,sd is currently flowing at 223 cubic feet per second with a gage height of 3.05 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Big Sioux River Near Brookings,sd normal for this time of year?

Current flow is classified as normal for June 11. Today's discharge is at the 45th percentile compared to the long-term historical record at this gauge.

Is the Big Sioux River Near Brookings,sd at flood stage?

No — the gage height is 5.95 feet below the NWS flood-stage threshold of 9.0 feet.

What is the historical median flow for the Big Sioux River Near Brookings,sd on June 11?

The long-term median discharge for this date is 257 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 34 to 2,150 cfs.

Where is the Big Sioux River Near Brookings,sd stream gauge located?

The Big Sioux River Near Brookings,sd stream gauge is operated by the USGS in Moody County, SD on the Big Sioux River. USGS site number 06480000 (coordinates 44.1802, -96.7495).

Big Sioux River Near Brookings,sd

USGS Site No: 06480000 • Big Sioux River • Moody County, SD

Big Sioux River Near Brookings,sd on the Big Sioux River is currently at 223 cfs (Normal — 45th percentile for this date) . Gage height: 3.05 ft.

Reading from 1 week ago

↑ Upstream on Big Sioux River

Big Sioux River Near Bruce, SD

Downstream on Big Sioux River ↓

Big Sioux River Near Dell Rapids, SD

223

CFS Discharge

3.05

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	34
25th	Low threshold	99
50th (Median)	Normal (median)	257	Today: 223 cfs
75th	High threshold	885
95th	Very High threshold	2,150

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	250	3.15
May 27, 2026	271	3.23
May 26, 2026	289	3.29
May 25, 2026	301	3.33
May 24, 2026	279	3.25
May 23, 2026	267	3.21
May 22, 2026	258	3.18
May 21, 2026	256	3.17
May 20, 2026	251	3.16
May 19, 2026	245	3.13
May 18, 2026	250	3.15
May 17, 2026	270	3.22
May 16, 2026	289	3.29
May 15, 2026	308	3.36
Apr 20, 2026	484	3.98
Apr 19, 2026	508	4.06
Apr 18, 2026	531	4.13
Apr 17, 2026	554	4.21
Apr 16, 2026	567	4.24
Apr 15, 2026	554	4.20
Apr 14, 2026	535	4.14
Apr 13, 2026	520	4.10
Apr 12, 2026	520	4.09
Apr 11, 2026	527	4.12
Apr 10, 2026	523	4.10
Apr 9, 2026	534	4.14
Apr 8, 2026	537	4.15
Apr 7, 2026	543	4.17
Apr 6, 2026	536	4.15
Apr 5, 2026	525	4.11

Station Information

USGS Site No: 06480000
State: SD
County: Moody County
Coordinates: 44.1802, -96.7495
Drainage Area: 3,338 mi²
Datum (ft): 1,552.8
HUC Code: 10170203

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 8.0 ft
Flood Stage: 9.0 ft
Moderate Flood: 10.5 ft
Major Flood: 15.0 ft

Currently 5.95 ft below flood stage.

Recent Extremes

Max discharge: 3,080 cfs

Jul 3, 2025
Min discharge: 154 cfs

Jun 14, 2025
Days at flood stage: 10

Computed from the local daily-values archive.

Nearby Gauges

Medary Creek Near Brookings, SD
3.1 mi

Unknown
Spring Creek Near Flandreau SD
8.9 mi · 14 cfs

Normal
Flandreau Creek Above Flandreau SD
15.4 mi · 1 cfs

Very Low
Big Sioux River Near Bruce, SD
21.0 mi · 205 cfs

Normal
Skunk Creek Near Chester,sd
23.4 mi · 0 cfs

Very Low