Little Sioux River at Linn Grove, IA
Is Little Sioux River at Linn Grove, IA flooding right now?
Little Sioux River at Linn Grove, IA measured 5.75 ft on 2026-09-11 01:00:00 UTC. That observation was 10.8 ft below its 16.5 ft flood stage. This is the latest available reading, not a guarantee of current conditions.
Gauge height
5.75 ft
Streamflow
255 cfs
Minor flooding here begins at 16.5 ft, with major flooding at 22.5 ft. The highest crest on record was 29.98 ft on Sun, Jun 23, 2024.
Streamflow outlook
Flood stages at this gauge
| Category | Stage | Current distance |
|---|---|---|
| Action | 14 ft | 8.3 ft below |
| Minor flood | 16.5 ft | 10.8 ft below |
| Moderate flood | 20 ft | 14.3 ft below |
| Major flood | 22.5 ft | 16.8 ft below |
Highest crests on record
| Stage | Date |
|---|---|
| 29.98 ft | 2024-06-23 |
| 24.13 ft | 2019-03-16 |
| 23.91 ft | 2018-09-22 |
| 22.91 ft | 2014-06-18 |
| 22.85 ft | 2010-03-17 |
Last 7 days
Nearby gauges
| Gauge | Distance | County |
|---|---|---|
| Willow Creek near Cornell, IA | 6.7 mi | Clay County |
| Ocheyedan River near Spencer, IA | 16.0 mi | Clay County |
| Little Sioux River at 300th St near Spencer, IA | 21.8 mi | Clay County |
| North Raccoon River near Newell, IA | 22.5 mi | Buena Vista County |
| Big Cedar Creek near Varina, IA | 26.6 mi | Pocahontas 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.