River stage
Grand River (SD)
- River level
- Normal
- Status
- Below flood stage
Latest readings 2026-10-13 | NWS · USGS
- Gauges reporting
- 2 of 2
- Above flood stage
- 0
- Above action stage
- 0
- Overall
- Below flood stage
- Publisher
- NWS · USGS
In brief
On Oct 13, 2026, 2 of 2 gauges on the Grand River (SD) reported, and none was above flood stage.
Source: National Weather Service and USGS gauges
Grand River levels, gauge by gauge
The Grand River is measured at 2 gauges. Flood stages are set per gauge, so the same river is "high" at one town and normal at the next.
| Location | Level | Status |
|---|---|---|
| Little Eagle | 2.67 ft | normal, steady |
| Thunder Hawk | 5.08 ft | no flood stage set |
Recent levels on the Grand River
The gauge with the fullest recent record on this river is Little Eagle, SD, with 122 days of readings.
Other rivers nearby
- Grand River (MI) different river, same name
- Grand River (MO) different river, same name
- Grand River (OH) different river, same name
- Oak Creek (SD) 1 gauge
- Elk Creek (SD) 2 gauges
- Cedar Creek (SD) 1 gauge
- James River (ND, SD) 14 gauges
- White River (NE, SD) 7 gauges
Frequently asked questions
Is the Grand River flooding right now?
No. Every one of the 2 reporting gauges on the Grand River is below flood stage as of 2026-10-13.
How high is the Grand River?
The river is measured at several points and each reads a different height. Little Eagle is at 2.67 ft.
Where is the Grand River measured?
The National Weather Service and USGS operate 2 gauges on the Grand River in South Dakota.
What does flood stage mean?
Flood stage is the height at which a river begins to cause problems at that specific location. It is set per gauge, so the same river can be above flood stage in one town and normal a few miles downstream. Action stage is the lower level at which forecasters start watching closely.
River stages and flood categories from the NOAA National Weather Service; daily history from the U.S. Geological Survey. For flood safety decisions always follow official National Weather Service warnings.