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Nishnabotna River above Hamburg
Critical Stages
23' - Action
25' - Flood
27.5' - Moderate
33' - Major
Latest Observation
Updated: 12:00 AM CST 12/15/25
Status: No Flooding
Stage: 8.51 ft
Flow: 0.61 kcfs
Forecast
Forecast not available for this location.
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 12:00 AM 12/15 | 8.51 | 0.61 |
| 11:45 PM 12/14 | 8.47 | 0.598 |
| 11:30 PM 12/14 | 8.45 | 0.591 |
| 11:15 PM 12/14 | 8.43 | 0.585 |
| 11:00 PM 12/14 | 8.4 | 0.576 |
| 10:45 PM 12/14 | 8.37 | 0.567 |
| 10:30 PM 12/14 | 8.34 | 0.557 |
| 10:15 PM 12/14 | 8.31 | 0.548 |
| 10:00 PM 12/14 | 8.28 | 0.539 |
| 9:45 PM 12/14 | 8.23 | 0.523 |
| 9:30 PM 12/14 | 8.2 | 0.514 |
| 9:15 PM 12/14 | 8.17 | 0.505 |
| 9:00 PM 12/14 | 8.13 | 0.492 |
| 8:45 PM 12/14 | 8.1 | 0.483 |
| 8:30 PM 12/14 | 8.06 | 0.47 |
| 8:15 PM 12/14 | 8.03 | 0.461 |
| 8:00 PM 12/14 | 8 | 0.452 |
| 7:45 PM 12/14 | 7.96 | 0.443 |
| 7:30 PM 12/14 | 7.93 | 0.437 |
| 7:15 PM 12/14 | 7.9 | 0.43 |
| 7:00 PM 12/14 | 7.88 | 0.426 |
| 6:45 PM 12/14 | 7.86 | 0.421 |
| 6:30 PM 12/14 | 7.85 | 0.419 |
| 6:15 PM 12/14 | 7.83 | 0.415 |
| 6:00 PM 12/14 | 7.82 | 0.412 |
| 5:45 PM 12/14 | 7.8 | 0.408 |
| 5:30 PM 12/14 | 7.79 | 0.406 |
| 5:15 PM 12/14 | 7.79 | 0.406 |
| 5:00 PM 12/14 | 7.78 | 0.404 |
| 4:45 PM 12/14 | 7.78 | 0.404 |
39' -
Water reaches the bottom of the J64 bridge at the gage site.
33' -
The top of the levee near the bridge in town is overtopped with flood waters. I-29 is closed south of town.
27.5' -
State Highway 275 south of the gage may be threatened in several spots.
25' -
More extensive lowland flooding begins as the parking lot near the gauge begins to experience flooding. In addition, some local farm levees may be overtopped with flood waters.
23' -
Minor overflows begin within the city limits, however there is no threat to property at this stage.
| Date | Stage (ft) |
|---|---|
| Jun 17, 1998 | 33.18 |
| May 8, 2007 | 32.44 |
| Mar 16, 2019 | 31.07 |
| Jul 25, 1993 | 30.56 |
| Jun 14, 2008 | 29.19 |
| Aug 8, 1999 | 28.83 |
| Jun 22, 1996 | 28.45 |
| Sep 10, 1989 | 28.27 |
| May 27, 1987 | 28.14 |
| Jul 27, 1990 | 28.06 |
| May 26, 2004 | 28.04 |
| Jun 16, 1984 | 27.9 |
| Mar 7, 1979 | 27.46 |
| Sep 15, 1972 | 27.42 |
| Dec 15, 2015 | 27.27 |
| Jun 15, 1982 | 27.25 |
| Jun 14, 2010 | 26.95 |
| Jun 15, 1991 | 26.75 |
| Jun 4, 2014 | 26.57 |
| Feb 20, 1971 | 26.03 |
Data provided by the National Weather Service.
