Total streamflow across the
Iowa River
was last observed at
5,232
cfs, and is expected to yield approximately
10,378
acre-ft of water today; about 35%
of normal.
River levels are low and may signify a drought.
Average streamflow for this time of year is
15,021 cfs,
with recent peaks last observed
on
2014-07-04 when daily discharge volume was observed at
225,800 cfs.
Maximum discharge along the river is currently at the
Iowa River At Wapello
reporting a streamflow rate of 3,250 cfs.
However, the streamgauge with the highest stage along the river is the
Iowa River Below Coralville Dam Nr Coralville
with a gauge stage of 49.64 ft.
This river is monitored from 8 different streamgauging stations along the Iowa River, the highest being situated at an altitude of 1,187 ft, the
Iowa River Near Rowan.
| Last Updated | 2025-12-17 |
| Discharge Volume | 10,378 ACRE-FT |
| Streamflow |
5,232.0 cfs
-75.0 cfs (-1.41%) |
| Percent of Normal | 34.83% |
| Maximum |
225,800.0 cfs
2014-07-04 |
| Seasonal Avg | 15,021 cfs |
| Streamgauge | Streamflow | Gauge Stage | 24hr Change (%) | % Normal | Minimum (cfs) | Maximum (cfs) | Air Temp | Elevation |
|---|---|---|---|---|---|---|---|---|
|
Iowa River Near Rowan
USGS 05449500 |
195 cfs | 4.41 ft | -10.55 | |||||
|
Iowa River At Marshalltown
USGS 05451500 |
1040 cfs | 11.1 ft | -8.77 | |||||
|
Iowa River Near Belle Plaine
USGS 05452500 |
966 cfs | 7.15 ft | 11.29 | |||||
|
Iowa River At Marengo
USGS 05453100 |
818 cfs | 7.46 ft | -19.8 | |||||
|
Iowa River Below Coralville Dam Nr Coralville
USGS 05453520 |
632 cfs | 49.64 ft | 31.67 | |||||
|
Iowa River At Iowa City
USGS 05454500 |
447 cfs | 9.66 ft | -10.06 | |||||
|
Iowa River Near Lone Tree
USGS 05455700 |
1350 cfs | 5.74 ft | -28.57 | |||||
|
Iowa River At Wapello
USGS 05465500 |
3250 cfs | 11.91 ft | 33.2 |
The Iowa River is a tributary of the Mississippi River in the state of Iowa in the United States. It is about 323 miles (520 km) long and is open to small river craft to Iowa City, about 65 miles (105 km) from its mouth. Its major tributary is the Cedar River.