Iowa River at Marshalltown
Critical Stages
14' - Action
19' - Flood
23' - Moderate
26' - Major
Latest Observation
Updated: 6:00 AM CST 12/11/25
Status: No Flooding
Stage: 11.14 ft
Flow: 0.721 kcfs
Forecast
Forecast not available for this location.
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 6:00 AM 12/11 | 11.14 | 0.721 |
| 5:45 AM 12/11 | 11.13 | 0.716 |
| 5:30 AM 12/11 | 11.14 | 0.721 |
| 5:15 AM 12/11 | 11.14 | 0.721 |
| 5:00 AM 12/11 | 11.14 | 0.721 |
| 4:45 AM 12/11 | 11.14 | 0.721 |
| 4:30 AM 12/11 | 11.14 | 0.721 |
| 4:15 AM 12/11 | 11.14 | 0.721 |
| 4:00 AM 12/11 | 11.14 | 0.721 |
| 3:45 AM 12/11 | 11.14 | 0.721 |
| 3:30 AM 12/11 | 11.15 | 0.727 |
| 3:15 AM 12/11 | 11.15 | 0.727 |
| 3:00 AM 12/11 | 11.15 | 0.727 |
| 2:45 AM 12/11 | 11.16 | 0.733 |
| 2:30 AM 12/11 | 11.16 | 0.733 |
| 2:15 AM 12/11 | 11.16 | 0.733 |
| 2:00 AM 12/11 | 11.16 | 0.733 |
| 1:45 AM 12/11 | 11.16 | 0.733 |
| 1:30 AM 12/11 | 11.17 | 0.738 |
| 1:15 AM 12/11 | 11.17 | 0.738 |
| 1:00 AM 12/11 | 11.16 | 0.733 |
| 12:45 AM 12/11 | 11.17 | 0.738 |
| 12:30 AM 12/11 | 11.16 | 0.733 |
| 12:15 AM 12/11 | 11.16 | 0.733 |
| 12:00 AM 12/11 | 11.16 | 0.733 |
| 11:45 PM 12/10 | 11.16 | 0.733 |
| 11:30 PM 12/10 | 11.16 | 0.733 |
| 11:15 PM 12/10 | 11.16 | 0.733 |
| 11:00 PM 12/10 | 11.16 | 0.733 |
| 10:45 PM 12/10 | 11.16 | 0.733 |
26' -
Water reaches the top of the earthen levee along the river at Iowa 14.
22' -
Water reaches the low beams of the Iowa 14 bridge.
21.5' -
Water affects several roads east of Marshalltown...including US 30...E Main St Rd and Zeller Ave.
21.4' -
Water affects both lanes of Iowa 14 north of Marshalltown.
21.2' -
Water affects several gravel roads north and northwest of Marshalltown...including Stanley Mill Rd...N Center St...Oaks Ave and Prairie Ave.
21' -
Iowa 330 south of Albion near Timmons Grove Park is closed. Water affects most of Timmons Grove County Park.
20.5' -
In Albion...water affects parts of Marsh Ave...Stanley Mill Rd and 160th St. Water threatens Iowa 330 near the Linn Creek overpass which is located west of Marshalltown...or about two miles northeast of the US 30 junction.
20' -
Water approaches the top of the concrete bridge piers of the Iowa 14 bridge.
19.5' -
Water affects the southbound lanes of Iowa 14 as well as Iowa 330 south of Albion.
19' -
Water affects Iowa 14 north of the river as well as Iowa 330 south of Albion.
18' -
Widespread agricultural and lowland flooding occur along Iowa 330 south of Albion.
17' -
Water threatens roads within Timmons Grove County Park as well as the bicycle path along 18th Ave in Marshalltown.
16.5' -
Water affects the underside of the primary concrete support span of Iowa 14.
16' -
Water affects the access road serving north portions of Timmons Grove County Park.
15' -
Water approaches the bridge crossing from the County Three Bridges Rd east of Marshalltown. Water affects agricultural land.
14' -
Lowland flooding occurs north of town near Iowa 14.
| Date | Stage (ft) |
|---|---|
| Jul 2, 2014 | 22.25 |
| May 30, 2013 | 22.08 |
| Jun 13, 2008 | 21.79 |
| Aug 17, 1993 | 20.77 |
| Jun 18, 1990 | 20.38 |
| Dec 15, 2015 | 20.38 |
| Mar 15, 2019 | 20.32 |
| Jun 24, 2007 | 20.13 |
| May 23, 2024 | 20 |
| Aug 30, 2015 | 19.99 |
| Jun 5, 1991 | 19.97 |
| Mar 19, 1979 | 19.77 |
| Jun 22, 1998 | 19.66 |
| Jun 23, 1974 | 19.38 |
| Jul 9, 1969 | 19.37 |
| Jun 28, 2010 | 19 |
| Jul 4, 1983 | 18.65 |
| Mar 21, 1975 | 18.42 |
| Apr 28, 2009 | 18.3 |
| Jun 14, 1984 | 18.29 |
Data provided by the National Weather Service.
