Iowa River At Marshalltown, Ia Realtime Data
IOWA RIVER AT MARSHALLTOWN, IA
Realtime Data • Report • Conditions
1,950
Discharge (cfs)
12.4
Gauge Height (ft)
Streamflow discharge was last observed at 1,950 cfs, and a gauge height of 12.37 feet.
With the
% decrease since yesterday,
the streamflow average over the past 10 days is 3,190 .
Weather today, Tomorrow,
The constituents of the river are typical for Midwestern streams, including sediment, nutrients, and some pollutants. The river has several tributaries upstream, including the English and South Skunk Rivers, as well as several small dams along its course. During the summer months, flow is typically low but can be impacted by localized storms. In the winter, flow can be high due to snow melt. Interesting facts about the hydrology of the Iowa River include its history of flooding and the construction of levees and floodwalls to mitigate flood damage.
July 15, 2026
| Elevation | 853.0 ft |
| Last Updated | |
| Gage height, ft | 12.37 ft |
| Streamflow, ft³/s | 1950.0 ft3/s |
| Percent of Normal | 225% |
| Year Over Year Average | 863 cfs |
| 24hr Flow Prediction | cfs |
| Maximum Recorded | 25,000 cfs |
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