Whetstone River near Big Stone City, SD
Is Whetstone River near Big Stone City, SD flooding right now?
Whetstone River near Big Stone City, SD measured 1.49 ft on 2026-09-11 01:00:00 UTC. That observation was 10.5 ft below its 12 ft flood stage. This is the latest available reading, not a guarantee of current conditions.
Gauge height
1.49 ft
Streamflow
14 cfs
Minor flooding here begins at 12 ft, with major flooding at 20 ft. The highest crest on record was 26 ft on Sun, Jun 1, 1919.
Streamflow outlook
Flood stages at this gauge
| Category | Stage | Current distance |
|---|---|---|
| Action | 11 ft | 9.5 ft below |
| Minor flood | 12 ft | 10.5 ft below |
| Moderate flood | 15 ft | 13.5 ft below |
| Major flood | 20 ft | 18.5 ft below |
Highest crests on record
| Stage | Date |
|---|---|
| 26 ft | 1919-06-01 |
| 15.93 ft | 2001-04-08 |
| 15.08 ft | 2007-03-13 |
| 14.32 ft | 1969-04-08 |
| 14.21 ft | 1997-04-06 |
Nearby gauges
| Gauge | Distance | County |
|---|---|---|
| Minnesota River at Ortonville, MN | 3.3 mi | Big Stone County |
| North Fork Yellow Bank River near Odessa, MN | 8.0 mi | Lac qui Parle County |
| Yellow Bank River near Odessa, MN | 8.8 mi | Lac qui Parle County |
| Pomme De Terre River at Appleton, MN | 24.5 mi | Swift County |
| Big Coulee Creek near Peever, SD | 25.9 mi | Roberts County |
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Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.