Rivers in South Dakota

James River near Ashton

Spink County, South DakotaNWS ATNS2USGS 06473000Aberdeen office

Below flood stage
3.78ftStage

Observed Tue, Sep 22, 2:45 PM CDT

Flood stage
13.00 ft
Record crest
26.64 ft1997

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood16.00 ft
Moderate flood14.00 ft
Minor flood13.00 ft
Action11.00 ft
  1. 24.50 ftThe bridge at the gauge on 165th/County Rd 14 is overtopped. 170th west of the bridge is flooded with most river crossings inaccessible due to flooding. Several additional structures are also flooded.
  2. 22.50 ftSeveral outbuildings near and north of the gauge on 165th/County Rd 14 begin to flood. The water reaches the bottom of the bridge on 165th/County Rd 14.
  3. 21.00 ftThe lowest portions of 165th/County Rd 14 begin to flood. At least one house a couple miles north of the gauge begins to flood. Water overtops the bridge on 167th southeast of Ashton.
  4. 19.50 ftWater reaches the bottom of the bridge on 167th southeast of Ashton.
  5. 16.00 ft161st begins to flood.
  6. 15.00 ftSignificant amounts of farm land begin flooding.
  7. 14.00 ftWater reaches the bottom of the bridge on 161st northeast of Ashton.
  8. 13.00 ftFlooding begins to affect some crop land along with moderate flooding of pasture and low-lying areas.
  9. 11.00 ftFlooding of low-lying pasture and wooded areas begins.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor flooding11%
Moderate flooding8%
Major flooding6%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 23, 2026.

Crest history

70 crests on NOAA’s list since 1948.

#DateStage
1April 6, 199726.64 ft
2March 22, 201025.25 ft
3April 28, 201124.40 ft
4April 23, 201923.20 ft
5April 30, 200922.96 ft
6May 22, 199521.21 ft
7April 24, 196920.63 ft
8April 21, 202319.85 ft
9April 23, 195219.59 ft
10May 19, 195019.14 ft
11April 29, 200118.76 ft
12April 20, 202018.36 ft
13June 9, 202217.51 ft
14May 14, 200717.39 ft
15May 10, 198616.74 ft
16April 2, 199416.23 ft
17June 11, 199915.57 ft
18May 19, 199615.26 ft
19April 14, 196615.16 ft
20May 18, 197914.86 ft
21April 18, 197814.06 ft
22July 16, 200513.84 ft
23March 25, 194813.78 ft
24September 10, 199312.92 ft
25April 20, 198912.85 ft

Most recent crests

  • September 30, 2025: 11.23 ft
  • April 21, 2023: 19.85 ft
  • June 9, 2022: 17.51 ft
  • April 11, 2021: 5.45 ft
  • April 20, 2020: 18.36 ft
  • April 23, 2019: 23.20 ft
  • May 23, 2018: 9.24 ft
  • March 28, 2017: 9.79 ft
  • March 9, 2016: 6.43 ft
  • July 2, 2015: 10.34 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Missouri Basin River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time. Gauge reading may be affected by ice.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.