Rivers in South Dakota

Sixmile Creek above Brookings

Brookings County, South DakotaNWS SMCS2Sioux Falls office

Below flood stage
1629.3ftStage

Observed Mon, Sep 28, 3:15 PM CDT

Flood stage
1634.0 ft
Record crest
1635.7 ft2019

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood1636.0 ft
Moderate flood1635.0 ft
Minor flood1634.0 ft
Action1632.0 ft
  1. 1641.0 ftWater overtops the bridge at Hwy 30.
  2. 1640.5 ftWater reaches the bottom of the bridge on Medary Ave on the north side of Brookings. Numerous structures are flooded or threatened.
  3. 1639.0 ftWater reaches the bottom of the bridge of Western Ave in Brookings and may begin to flood the intersection of Western Ave and 8th St. The bridge on 213th St is overtopped.
  4. 1637.0 ftWater reaches the bathrooms at Sexauer Campground.
  5. 1636.0 ftAt least a couple of structures near 213th St may be threatened by floodwaters. Water reaches the bottom of the pedestrian bridge in Sexauer Park in Brookings.
  6. 1635.0 ftThe east parking lot at Sexauer Park begins to flood. Township roads northeast of Brookings begin to flood.
  7. 1634.0 ftWater approaches the intersection of 1st Ave and Harvey Dunn St in Brookings and may begin to flood. Agricultural flooding begins northeast of Brookings including leaving the right bank of the creek at the Highway 30 crossing.
  8. 1632.0 ftWater begins to enter the lower portions of Sexauer Campground in Brookings.

Crest history

7 crests on NOAA’s list since 2018.

#DateStage
1September 12, 20191635.7 ft
2March 28, 20191635.6 ft
3April 23, 20181635.5 ft
4June 30, 20251635.0 ft
5June 23, 20241635.0 ft
6April 12, 20231635.0 ft
7March 9, 20201634.6 ft

Most recent crests

  • June 30, 2025: 1635.0 ft
  • June 23, 2024: 1635.0 ft
  • April 12, 2023: 1635.0 ft
  • March 9, 2020: 1634.6 ft
  • September 12, 2019: 1635.7 ft
  • March 28, 2019: 1635.6 ft
  • April 23, 2018: 1635.5 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Missouri Basin River Forecast Center. Forecasts are not available. Only observed stages are available for this point. No forecasts are available for this location Gauge reading may be affected by ice.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service.