Floyd River at James
Critical Stages
24' - Action
26' - Flood
30' - Moderate
34' - Major
Latest Observation
Updated: 9:00 AM CST 12/16/25
Status: No Flooding
Stage: 8.71 ft
Flow: 0.233 kcfs
Forecast
Forecast not available for this location.
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 9:00 AM 12/16 | 8.71 | 0.233 |
| 8:45 AM 12/16 | 8.71 | 0.233 |
| 8:30 AM 12/16 | 8.71 | 0.233 |
| 8:15 AM 12/16 | 8.7 | 0.232 |
| 8:00 AM 12/16 | 8.7 | 0.232 |
| 7:45 AM 12/16 | 8.7 | 0.232 |
| 7:30 AM 12/16 | 8.7 | 0.232 |
| 7:15 AM 12/16 | 8.69 | 0.231 |
| 7:00 AM 12/16 | 8.7 | 0.232 |
| 6:45 AM 12/16 | 8.7 | 0.232 |
| 6:30 AM 12/16 | 8.69 | 0.231 |
| 6:15 AM 12/16 | 8.68 | 0.23 |
| 6:00 AM 12/16 | 8.67 | 0.229 |
| 5:45 AM 12/16 | 8.68 | 0.23 |
| 5:30 AM 12/16 | 8.67 | 0.229 |
| 5:15 AM 12/16 | 8.67 | 0.229 |
| 5:00 AM 12/16 | 8.67 | 0.229 |
| 4:45 AM 12/16 | 8.67 | 0.229 |
| 4:30 AM 12/16 | 8.66 | 0.228 |
| 4:15 AM 12/16 | 8.67 | 0.229 |
| 4:00 AM 12/16 | 8.67 | 0.229 |
| 3:45 AM 12/16 | 8.67 | 0.229 |
| 3:30 AM 12/16 | 8.67 | 0.229 |
| 3:15 AM 12/16 | 8.67 | 0.229 |
| 3:00 AM 12/16 | 8.66 | 0.228 |
| 2:45 AM 12/16 | 8.66 | 0.228 |
| 2:30 AM 12/16 | 8.67 | 0.229 |
| 2:15 AM 12/16 | 8.66 | 0.228 |
| 2:00 AM 12/16 | 8.65 | 0.227 |
| 1:45 AM 12/16 | 8.65 | 0.227 |
38' -
The levees in and around Sioux City downstream of the gage begin to be overtopped. The bridge at the gauge location on CR 70 is overtopped.
36' -
Flooding begins to affect the town of James.
35.5' -
The railroad tracks in Sioux City should be closed.
34.5' -
Approximately 3700 acres of farm land are flooded.
34' -
The northbound lane of Highway 75 is flooded, and the railroad company begins to shut down operations.
32' -
Water approaches the railroad tracks and may overtop them in some locations.
31.5' -
The lowest portions of County Highway C70 begins to flood. Flooding begins to affect the farm levees, and about 3200 acres of farm land are flooded.
30' -
Outbuildings near the gauge location may begin to flood.
28.5' -
Approximately 2100 acres of farm land are flooded.
27.5' -
Approximately 1500 acres of farm land are flooded.
26' -
Flooding begins to affect the low lying agricultural lands.
24' -
The lowest banks are overtopped with minor lowland flooding.
18' -
The Floyd River levee gates in Sioux City begin closing.
| Date | Stage (ft) |
|---|---|
| Jun 23, 2024 | 32.39 |
| Mar 15, 2019 | 31.48 |
| Jun 21, 1983 | 28.85 |
| Mar 23, 1979 | 28.19 |
| Feb 19, 1971 | 28.13 |
| Sep 22, 2018 | 27.7 |
| May 28, 2013 | 27.59 |
| Jun 22, 1996 | 25.35 |
| Jun 8, 1953 | 25.3 |
| Jun 17, 2014 | 23.15 |
| Apr 23, 1985 | 22.84 |
| Mar 29, 1962 | 22.41 |
| Mar 29, 1993 | 22.34 |
| Mar 20, 1978 | 21.94 |
| Mar 29, 1960 | 21.93 |
| Apr 5, 1969 | 21.54 |
| Mar 18, 1986 | 21.34 |
| Jun 21, 1984 | 21.18 |
| Feb 19, 1994 | 21 |
| May 19, 1990 | 20.7 |
Data provided by the National Weather Service.
