Total streamflow across the
Floyd River
was last observed at
223
cfs, and is expected to yield approximately
442
acre-ft of water today; about 46%
of normal.
River levels are low and may signify a drought.
Average streamflow for this time of year is
480 cfs,
with recent peaks last observed
on
2018-09-21 when daily discharge volume was observed at
20,400 cfs.
Maximum discharge along the river is currently at the
Floyd River At James
reporting a streamflow rate of 187 cfs.
This is also the highest stage along the Floyd River, with a gauge stage of
8.43 ft at this location.
This river is monitored from 2 different streamgauging stations along the Floyd River, the highest being situated at an altitude of 1,289 ft, the
Floyd River At Alton.
| Last Updated | 2025-12-04 |
| Discharge Volume | 442 ACRE-FT |
| Streamflow |
222.6 cfs
-20.2 cfs (-8.32%) |
| Percent of Normal | 46.41% |
| Maximum |
20,400.0 cfs
2018-09-21 |
| Seasonal Avg | 480 cfs |
| Streamgauge | Streamflow | Gauge Stage | 24hr Change (%) | % Normal | Minimum (cfs) | Maximum (cfs) | Air Temp | Elevation |
|---|---|---|---|---|---|---|---|---|
|
Floyd River At Alton
USGS 06600100 |
36 cfs | 5.46 ft | -5.82 | |||||
|
Floyd River At James
USGS 06600500 |
187 cfs | 8.43 ft | -8.78 |
The Floyd River is a tributary of the Missouri River, 112 miles (180 km) long, in northwestern Iowa in the United States. It enters the Missouri at Sioux City, and is named for Charles Floyd, a member of the Lewis and Clark Expedition.