Total streamflow across the
Floyd River
was last observed at
424
cfs, and is expected to yield approximately
841
acre-ft of water today; about 85%
of normal.
Average streamflow for this time of year is
497 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 299 cfs.
This is also the highest stage along the Floyd River, with a gauge stage of
8.84 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.
The Floyd River runs through Iowa and South Dakota, covering a length of 111 miles.
| Last Updated | 2026-04-19 |
| Discharge Volume | 841 ACRE-FT |
| Streamflow |
424.0 cfs
Past 24 Hours: -29.0 cfs (-6.4%) |
| Percent of Normal | 85.33% |
| Maximum |
20,400.0 cfs
2018-09-21 |
| Seasonal Avg | 497 cfs |
| Streamgauge | Streamflow | Gauge Stage | 24hr Change (%) | % Normal | Minimum (cfs) | Maximum (cfs) | Air Temp | Elevation |
|---|---|---|---|---|---|---|---|---|
|
Floyd River At Alton
USGS 06600100 |
125 cfs | 5.95 ft | -10.07 | |||||
|
Floyd River At James
USGS 06600500 |
299 cfs | 8.84 ft | -4.78 |
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.