How high is the Big Sioux River at North Cliff Ave at Sioux Falls,sd right now?

The Big Sioux River at North Cliff Ave at Sioux Falls,sd is currently flowing at 302 cubic feet per second with a gage height of 5.83 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Big Sioux River at North Cliff Ave at Sioux Falls,sd normal for this time of year?

Current flow is classified as normal for June 11. Today's discharge is at the 27th percentile compared to the long-term historical record at this gauge.

Is the Big Sioux River at North Cliff Ave at Sioux Falls,sd at flood stage?

No — the gage height is 10.17 feet below the NWS flood-stage threshold of 16.0 feet.

What is the historical median flow for the Big Sioux River at North Cliff Ave at Sioux Falls,sd on June 11?

The long-term median discharge for this date is 762 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 91 to 3,190 cfs.

Where is the Big Sioux River at North Cliff Ave at Sioux Falls,sd stream gauge located?

The Big Sioux River at North Cliff Ave at Sioux Falls,sd stream gauge is operated by the USGS in Minnehaha County, SD on the Big Sioux River. USGS site number 06482020 (coordinates 43.5670, -96.7113).

Big Sioux River at North Cliff Ave at Sioux Falls,sd

USGS Site No: 06482020 • Big Sioux River • Minnehaha County, SD

Big Sioux River at North Cliff Ave at Sioux Falls,sd on the Big Sioux River is currently at 302 cfs (Normal — 27th percentile for this date) . Gage height: 5.83 ft.

Reading from 1 week ago

↑ Upstream on Big Sioux River

Big Sioux River at Sioux Falls SD

Downstream on Big Sioux River ↓

Big Sioux River Near Hawarden, IA

302

CFS Discharge

5.83

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	91
25th	Low threshold	258
50th (Median)	Normal (median)	762	Today: 302 cfs
75th	High threshold	1,460
95th	Very High threshold	3,190

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	339	5.93
May 27, 2026	367	6.00
May 26, 2026	438	6.19
May 25, 2026	621	6.66
May 24, 2026	374	6.01
May 23, 2026	323	5.89
May 22, 2026	345	5.95
May 21, 2026	273	5.75
May 20, 2026	290	5.80
May 19, 2026	334	5.92
May 18, 2026	466	6.27
May 17, 2026	479	6.29
May 16, 2026	365	6.00
May 15, 2026	434	6.18
Apr 20, 2026	492	6.33
Apr 19, 2026	575	6.55
Apr 18, 2026	576	6.56
Apr 17, 2026	598	6.62
Apr 16, 2026	610	6.65
Apr 15, 2026	548	6.48
Apr 14, 2026	572	6.55
Apr 13, 2026	573	6.55
Apr 12, 2026	560	6.51
Apr 11, 2026	568	6.54
Apr 10, 2026	569	6.54
Apr 9, 2026	573	6.55
Apr 8, 2026	584	6.58
Apr 7, 2026	565	6.53
Apr 6, 2026	567	6.53
Apr 5, 2026	550	6.49

Station Information

USGS Site No: 06482020
State: SD
County: Minnehaha County
Coordinates: 43.5670, -96.7113
Drainage Area: 4,662 mi²
Datum (ft): 1,295.1
HUC Code: 10170203

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 14.0 ft
Flood Stage: 16.0 ft
Moderate Flood: 18.0 ft
Major Flood: 31.0 ft

Currently 10.17 ft below flood stage.

Recent Extremes

Max discharge: 3,030 cfs

Jul 10, 2025
Min discharge: 181 cfs

Jun 17, 2025
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

Skunk Creek at Sioux Falls,sd
4.6 mi · 12 cfs

Low
Big Sioux River at Sioux Falls SD
4.9 mi · 34 cfs

Very Low
Split Rock Creek at Corson, SD
8.1 mi · 17 cfs

Low
Big Sioux River Near Dell Rapids, SD
15.5 mi · 288 cfs

Normal
Beaver Creek at Canton SD
20.2 mi

Unknown