Rivers in Iowa

Mississippi River below Lock and Dam 10 - Guttenberg

Clayton County, IowaNWS GTTI4La Crosse office

Below flood stage
7.06ftStage

Observed Thu, Sep 24, 10:00 AM CDT

Flood stage
15.00 ft
Forecast crest
7.10 ftThu, Sep 24, 1:00 PM CDT
Record crest
23.65 ft1965

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood21.00 ft
Moderate flood18.00 ft
Minor flood15.00 ft
Action12.00 ft
  1. 29.60 ftThe water begins to overtop the protective levee.
  2. 24.00 ftWater begins to flow over the lock walls and the protective earthen dikes.
  3. 23.65 ftWater levels reach the flood of record.
  4. 21.00 ftFlooding of some residential areas occurs. Lock and Dam 10 is closed to navigation.
  5. 20.00 ftSome basements may begin to experience flooding due to seepage, with most problems occurring on the approaches to town.
  6. 19.00 ftThe water is over Island Road.
  7. 18.00 ftSewer and street flooding begins to occur in Glen Haven, Wisconsin.
  8. 15.50 ftThe water is over Marina Road.
  9. 15.00 ftMinor lowland flooding begins to occur.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor floodingUnder 5%
Moderate floodingUnder 5%
Major floodingUnder 5%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued August 28, 2026.

Crest history

34 crests on NOAA’s list since 1938.

#DateStage
1April 24, 196523.65 ft
2April 21, 200121.68 ft
3April 28, 202320.98 ft
4June 30, 199320.15 ft
5April 27, 201919.98 ft
6April 22, 196919.84 ft
7April 24, 195219.69 ft
8April 21, 195119.63 ft
9April 18, 201119.58 ft
10May 5, 197519.41 ft
11April 15, 199719.40 ft
12July 6, 202418.98 ft
13April 10, 196718.94 ft
14March 22, 197318.59 ft
15October 5, 198618.43 ft
16April 10, 198618.24 ft
17May 29, 193818.10 ft
18May 11, 195417.80 ft
19May 31, 201917.59 ft
20October 2, 201017.48 ft
21March 16, 198317.16 ft
22July 4, 201417.00 ft
23April 20, 197116.60 ft
24April 28, 199616.59 ft
25April 27, 200816.21 ft

Most recent crests

  • July 6, 2024: 18.98 ft
  • April 28, 2023: 20.98 ft
  • October 13, 2019: 15.26 ft
  • May 31, 2019: 17.59 ft
  • April 27, 2019: 19.98 ft
  • May 28, 2017: 16.14 ft
  • September 29, 2016: 15.22 ft
  • July 4, 2014: 17.00 ft
  • April 18, 2011: 19.58 ft
  • October 2, 2010: 17.48 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the North Central River Forecast Center. Forecasts are issued routinely during the navigation season, and as needed at other times of the year. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service.