Iowa River near Tama US 63
Highest listed crest 22.31 ftFlood stage 20.0 ft31 crests since 1993
The Iowa River near Tama US 63 crested above flood stage 10 times among the 31 crests the National Weather Service lists from 1993 to 2023. The highest, 22.31 ft on April 28, 2007, was minor flooding, 2.31 feet above flood stage. 2 other gauges on the Iowa River crested above flood stage within a week of it.
The gauge
- Highest listed crest
- 22.31 ft
- April 28, 2007
- Flood stage
- 20.0 ft
- No major stage set
- Crests at major
- 0
- 10 above flood stage
- Most recent flood crest
- March 16, 2019
- 20.29 ft, minor flooding
Flood stages
The thresholds the National Weather Service uses for this gauge today, and how many listed crests reached each.
| Action stage | 18.0 | 10 | Jun 23, 2020 |
| Flood stage (minor) | 20.0 | 10 | Mar 16, 2019 |
Every listed crest
31 crests from 1993 to 2023. Filled: at or above flood stage. Hover a crest for its date and stage.
Crests at or above flood stage, by decade
- These are the crests the local National Weather Service office lists for the gauge: the highest on record and recent crests. Lesser floods between them may be missing, so counts by decade are a floor.
- Categories use today's flood stages. Levees, dams and channel changes since a crest can make old and new stages not directly comparable.
Highest crests
| 1 | Apr 28, 2007 | 22.31 | +2.31 | Minor |
| 2 | Aug 18, 1993 | 22.17 | +2.17 | Minor |
| 3 | May 31, 2013 | 22.05 | +2.05 | Minor |
| 4 | Jul 2, 2014 | 22.00 | +2.00 | Minor |
| 5 | Jun 13, 2008 | 21.31 | +1.31 | Minor |
| 6 | Jun 24, 1998 | 21.19 | +1.19 | Minor |
| 7 | Dec 16, 2015 | 20.69 | +0.69 | Minor |
| 8 | May 27, 2004 | 20.63 | +0.63 | Minor |
| 9 | Mar 16, 2019 | 20.29 | +0.29 | Minor |
| 10 | Mar 14, 2010 | 20.11 | +0.11 | Minor |
| 11 | Jun 14, 1999 | 19.79 | −0.21 | Action |
| 12 | Feb 19, 1997 | 19.53 | −0.47 | Action |
| 13 | Jun 20, 1996 | 19.42 | −0.58 | Action |
| 14 | Mar 10, 2009 | 19.22 | −0.78 | Action |
| 15 | Sep 6, 2018 | 18.87 | −1.13 | Action |
| 16 | Jun 23, 2020 | 18.71 | −1.29 | Action |
| 17 | Sep 2, 2015 | 18.62 | −1.38 | Action |
| 18 | Oct 1, 2016 | 18.61 | −1.39 | Action |
| 19 | May 17, 2005 | 18.16 | −1.84 | Action |
| 20 | Mar 24, 2001 | 18.05 | −1.95 | Action |
| 21 | May 12, 2003 | 17.76 | −2.24 | Below flood stage |
| 22 | Apr 28, 1995 | 17.41 | −2.59 | Below flood stage |
| 23 | Jul 12, 2000 | 16.56 | −3.44 | Below flood stage |
| 24 | May 27, 2011 | 16.52 | −3.48 | Below flood stage |
| 25 | Mar 6, 1994 | 16.47 | −3.53 | Below flood stage |
| 26 | Mar 1, 2023 | 15.37 | −4.63 | Below flood stage |
| 27 | May 3, 2006 | 15.06 | −4.94 | Below flood stage |
| 28 | Jun 17, 2022 | 14.58 | −5.42 | Below flood stage |
| 29 | Jun 19, 2002 | 14.38 | −5.62 | Below flood stage |
| 30 | Sep 27, 2012 | 12.24 | −7.76 | Below flood stage |
| 31 | Mar 8, 2021 | 11.42 | −8.58 | Below flood stage |
The worst floods along the Iowa River
For this gauge's highest crests, the other gauges on the Iowa River that crested above flood stage within a week.
April 28, 2007: 22.31 ft here, minor flooding
August 18, 1993: 22.17 ft here, minor flooding
- MarengoIA · Aug 19, 1993 · 19.57 ft · Major
- MarshalltownIA · Aug 17, 1993 · 20.77 ft · Minor
May 31, 2013: 22.05 ft here, minor flooding
- MarengoIA · May 31, 2013 · 20.36 ft · Major
- Tama Hwy E49IA · May 28, 2013 · 15.20 ft · Major · its highest
- Iowa CityIA · Jun 5, 2013 · 24.90 ft · Moderate
- MarshalltownIA · May 30, 2013 · 22.08 ft · Minor
- Belle PlaineIA · May 30, 2013 · 18.80 ft · Minor
- Steamboat RockIA · May 30, 2013 · 13.94 ft · Minor
- RowanIA · May 27, 2013 · 12.80 ft · Minor
Gauges on the Iowa River
Flood gauges sharing the river's name, linked within 80 miles of one another.
| Belle Plaine | IA | 19.86 ft, Jun 13, 2008 | 0 |
| Columbus Jct | IA | 32.30 ft, Jun 15, 2008 | 3 |
| Iowa City | IA | 31.53 ft, Jun 15, 2008 | 2 |
| Marengo | IA | 21.38 ft, Jun 12, 2008 | 10 |
| Marshalltown | IA | 22.25 ft, Jul 2, 2014 | 0 |
| Oakville | IA | 23.22 ft, Jun 14, 2008 | 1 |
| Steamboat Rock | IA | 17.86 ft, Jun 8, 2008 | 0 |
| Wapello | IA | 32.15 ft, Jun 14, 2008 | 7 |
| Lone Tree (Tri-County Bridge) | IA | 23.10 ft, Jun 15, 2008 | 3 |
| Rowan | IA | 15.89 ft, Jun 9, 2008 | 0 |
| Tama Hwy E49 | IA | 15.20 ft, May 28, 2013 | 3 |
| Tama US 63 this gauge | IA | 22.31 ft, Apr 28, 2007 | 0 |
Other gauges in Tama County
| Tama Hwy E49 | 15.20 ft, May 28, 2013 | 3 |
| Elberon | 20.85 ft, Jul 9, 1993 | 0 |
| Dysart | 18.25 ft, May 30, 2008 | 0 |
Tama County: every hazard · River floods across the country · Iowa
NOAA National Water Prediction Service, gauge TAMI4, retrieved October 30, 2026. Stages in feet on the gauge's own datum, not elevation. Crests are as the National Weather Service lists them; preliminary values may be revised.