Rock River at Rock Valley
Critical Stages
14' - Action
16' - Flood
17' - Moderate
19' - Major
Latest Observation
Updated: 9:00 AM CST 12/14/25
Status: No Flooding
Stage: 4.92 ft
Flow: 0.292 kcfs
Forecast
Forecast not available for this location.
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 9:00 AM 12/14 | 4.92 | 0.292 |
| 8:45 AM 12/14 | 4.86 | 0.276 |
| 8:30 AM 12/14 | 4.85 | 0.273 |
| 8:15 AM 12/14 | 4.86 | 0.276 |
| 8:00 AM 12/14 | 4.87 | 0.279 |
| 7:45 AM 12/14 | 4.89 | 0.284 |
| 7:30 AM 12/14 | 4.91 | 0.29 |
| 7:15 AM 12/14 | 4.92 | 0.292 |
| 7:00 AM 12/14 | 4.94 | 0.298 |
| 6:45 AM 12/14 | 4.94 | 0.298 |
| 6:30 AM 12/14 | 4.94 | 0.298 |
| 6:15 AM 12/14 | 4.94 | 0.298 |
| 6:00 AM 12/14 | 4.94 | 0.298 |
| 5:45 AM 12/14 | 4.95 | 0.301 |
| 5:30 AM 12/14 | 4.95 | 0.301 |
| 5:15 AM 12/14 | 4.95 | 0.301 |
| 5:00 AM 12/14 | 4.95 | 0.301 |
| 4:45 AM 12/14 | 4.95 | 0.301 |
| 4:30 AM 12/14 | 4.96 | 0.304 |
| 4:15 AM 12/14 | 4.96 | 0.304 |
| 4:00 AM 12/14 | 4.96 | 0.304 |
| 3:45 AM 12/14 | 4.96 | 0.304 |
| 3:30 AM 12/14 | 4.96 | 0.304 |
| 3:15 AM 12/14 | 4.96 | 0.304 |
| 3:00 AM 12/14 | 4.97 | 0.306 |
| 2:45 AM 12/14 | 4.97 | 0.306 |
| 2:30 AM 12/14 | 4.97 | 0.306 |
| 2:15 AM 12/14 | 4.97 | 0.306 |
| 2:00 AM 12/14 | 4.97 | 0.306 |
| 1:45 AM 12/14 | 4.97 | 0.306 |
26' -
Significant flooding will be ongoing in Rock Valley with most houses and businesses north of downtown flooded. Portions of the bridge on 340th St are overtopped.
23' -
Elmwood Ave is flooded near the gauge and numerous houses on the north side of Rock Valley near the river are flooded.
21' -
Water begins to enter the northern portions of Rock Valley on the south side of the river.
20' -
Hwy 18 west of Rock Valley is flooded. The lower portions of 300th Ave in Rock Valley north of the river and west of Elmwood Ave may flood. Major agricultural flooding is ongoing throughout the floodplain.
19' -
Rock Valley begins to experience increasing flood problems and at least a couple of houses nearest the river beginning to flood. Sandbagging of storm sewers in the city begins. Portions of 360th will be flooded.
18' -
Water reaches the backyards of some houses north of the river and west of Elmwood Ave in Rock Valley and some outbuildings are flooded. The Rivers Bend Campground on the northwest side of Rock Valley begins to flood.
16' -
Significant amounts of agriculture lands are flooded, and some rural roads are also threatened by high water.
13' -
The lowest lying pasture and farm land will experience some minor flooding
| Date | Stage (ft) |
|---|---|
| Jun 22, 2024 | 27.7 |
| Jun 17, 2014 | 22.72 |
| Jun 22, 2018 | 21.2 |
| Mar 15, 2019 | 20.61 |
| Sep 26, 2010 | 20.24 |
| May 9, 1993 | 19.97 |
| Sep 25, 2010 | 19.89 |
| Mar 23, 1979 | 18.91 |
| Jun 20, 1983 | 18.85 |
| Jun 14, 1994 | 18.27 |
| Jun 18, 1984 | 18.06 |
| Mar 15, 2007 | 17.96 |
| Apr 24, 2001 | 17.74 |
| Apr 7, 1936 | 17.32 |
| Jan 1, 1997 | 17 |
| Mar 30, 1962 | 16.91 |
| Mar 19, 1986 | 16.88 |
| Apr 9, 2006 | 16.44 |
| Apr 24, 1985 | 16.07 |
| Jun 8, 1953 | 15.99 |
Data provided by the National Weather Service.
