Missouri River at Decatur, NE

Monona County, Iowa · USGS gauge 06601200 · NWS DCTN1 · Missouri River flood status · Iowa river levels

Is Missouri River at Decatur, NE flooding right now?

Missouri River at Decatur, NE measured 20.47 ft on 2026-09-11 01:00:00 UTC. That observation was 14.5 ft below its 35 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
20.47 ft
as of 70 min ago
Streamflow
29,900 cfs
data refreshed 8 min ago

Minor flooding here begins at 35 ft, with major flooding at 41 ft. The highest crest on record was 44.41 ft on Wed, Apr 16, 1952.

Streamflow outlook

NOAA National Water Model forecast, issued 14 hours ago. The NWM models discharge for every river reach in the country, including the many gauges the National Weather Service does not forecast individually. It is a model, not an official NWS river forecast, and it predicts flow rather than water level.

Flood stages at this gauge

CategoryStageCurrent distance
Action33 ft12.5 ft below
Minor flood35 ft14.5 ft below
Moderate flood38 ft17.5 ft below
Major flood41 ft20.5 ft below

New to these numbers? What does flood stage mean? · How to read a river gauge · Why is the river rising?

Highest crests on record

StageDate
44.41 ft1952-04-16
40.24 ft2011-07-21
37.55 ft2024-06-26
36.51 ft2019-03-17
36.42 ft2019-09-20

Nearby gauges

GaugeDistanceCounty
Blackbird Creek near Macy, Nebr.8.0 miThurston County
South Blackbird Creek at Hwy 75 near Macy, Nebr.8.3 miThurston County
North Blackbird Creek at Hwy 75 at Macy, Nebr.8.8 miThurston County
Logan Creek near Bancroft, Nebr.12.7 miBurt County
Monona-Harrison Ditch near Turin, IA13.2 miMonona County
Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.

Sources: USGS monitoring location · NWS gauge & forecast