« Back to Sergeant Bluff Rivers

Missouri River at Decatur

Critical Stages
33' - Action
35' - Flood
38' - Moderate
41' - Major

Latest Observation

Updated: 7:00 AM CST 12/17/25

Status: No Flooding

Stage: 15.8 ft

Flow: 17.3 kcfs

Forecast

Forecast not available for this location.

TimeStage (ft)Flow (kcfs)
7:00 AM 12/17 15.8 17.3
6:45 AM 12/17 15.8 17.3
6:30 AM 12/17 15.8 17.3
6:15 AM 12/17 15.8 17.3
6:00 AM 12/17 15.79 17.3
5:45 AM 12/17 15.79 17.3
5:30 AM 12/17 15.78 17.3
5:15 AM 12/17 15.78 17.3
5:00 AM 12/17 15.77 17.3
4:45 AM 12/17 15.77 17.3
4:30 AM 12/17 15.76 17.2
4:15 AM 12/17 15.75 17.2
4:00 AM 12/17 15.75 17.2
3:45 AM 12/17 15.74 17.2
3:30 AM 12/17 15.73 17.2
3:15 AM 12/17 15.73 17.2
3:00 AM 12/17 15.72 17.1
2:45 AM 12/17 15.71 17.1
2:30 AM 12/17 15.71 17.1
2:15 AM 12/17 15.7 17.1
2:00 AM 12/17 15.7 17.1
1:45 AM 12/17 15.68 17
1:30 AM 12/17 15.67 17
1:15 AM 12/17 15.67 17
1:00 AM 12/17 15.66 17
12:45 AM 12/17 15.65 16.9
12:30 AM 12/17 15.65 16.9
12:15 AM 12/17 15.64 16.9
12:00 AM 12/17 15.62 16.9
11:45 PM 12/16 15.62 16.9
Hydrograph for Missouri River at Decatur
44' - Widespread major flooding would be prevalent along the entire reach from just upstream of Decatur downstream to the mouth of the Little Sioux River.
38' - Extensive flooding along the reach would be encountered. Areas impacted will include Marina Drive as well as numerous homes along the river.
35' - Local marinas, boat docks and low lying areas begin to flood.
DateStage (ft)
Apr 16, 1952 44.41
Jul 21, 2011 40.24
Jun 26, 2024 37.55
Mar 17, 2019 36.51
Sep 20, 2019 36.42
Jun 3, 2019 35.72
Jun 26, 1984 34.6
Jul 18, 1996 32.31
Jul 16, 1993 32.19
Jun 27, 2018 32.18
Apr 15, 1997 31.99
Aug 6, 2010 31.73
Jun 20, 2014 31.01
Jun 2, 1995 30.1
Apr 28, 2001 28.89
Jul 22, 1999 28.21
Jun 29, 1983 28.1
Jun 17, 1994 27.7
Apr 2, 2020 27.64
Jun 26, 2000 26.24

Data provided by the National Weather Service.