RIVER GAUGE · NORTH FORK GRAND RIVER (SD)
North Fork Grand River (SD) near White Butte
Perkins County, South Dakota
Water level-0.07 ft
Flow—
Last readingSep 16, 2026, 4:45 PM UTC (last recorded)
Action8 ft3,200 cfs
Minor flood10 ft6,275 cfs
Moderate flood11 ft8,375 cfs
Major flood12 ft10,900 cfs
The past week
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What floods at each level
- 12 ft
Major flood stage. Extensive inundation of agricultural land and some roads along the Grand River may be impacted.
- 11 ft
Moderate Flood Stage. Some inundation of roads and agricultural land along the Grand River.
- 10.5 ft
Right bank will overflow.
- 10 ft
Flood Stage. Flooding of agricultural land.
- 8 ft
Action stage. Low lying areas along the Grand River begin to flood.
- 7 ft
Left bank will overflow.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Apr 7, 1952 | 17 ft | 21,500 cfs |
| Apr 12, 2009 | 13.3 ft | 13,000 cfs |
| Mar 1, 1978 | 12.08 ft | — |
More on North Fork Grand River (SD)
DownstreamShadehill Reservoir
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