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Hydrograph River at a Glance Download
Missouri River at Napoleon Stage (ft)Flow (kcfs)Observed: 8.57 ft at 10:00AM May 18, 2022Observed: 8.6 ft at 10:15AM May 18, 2022Observed: 8.6 ft at 10:30AM May 18, 2022Observed: 8.59 ft at 10:45AM May 18, 2022Observed: 8.64 ft at 11:00AM May 18, 2022Observed: 8.66 ft at 11:15AM May 18, 2022Observed: 8.67 ft at 11:30AM May 18, 2022Observed: 8.72 ft at 11:45AM May 18, 2022Observed: 8.73 ft at 12:00PM May 18, 2022Observed: 8.75 ft at 12:15PM May 18, 2022Observed: 8.75 ft at 12:30PM May 18, 2022Observed: 8.82 ft at 12:45PM May 18, 2022Observed: 8.81 ft at 1:00PM May 18, 2022Observed: 8.87 ft at 1:15PM May 18, 2022Observed: 8.87 ft at 1:30PM May 18, 2022Observed: 8.92 ft at 1:45PM May 18, 2022Observed: 8.96 ft at 2:00PM May 18, 2022Observed: 9.01 ft at 2:15PM May 18, 2022Observed: 9.06 ft at 2:30PM May 18, 2022Observed: 9.07 ft at 2:45PM May 18, 2022Observed: 9.12 ft at 3:00PM May 18, 2022Observed: 9.16 ft at 3:15PM May 18, 2022Observed: 9.19 ft at 3:30PM May 18, 2022Observed: 9.27 ft at 3:45PM May 18, 2022Observed: 9.29 ft at 4:00PM May 18, 2022Observed: 9.35 ft at 4:15PM May 18, 2022Observed: 9.39 ft at 4:30PM May 18, 2022Observed: 9.47 ft at 4:45PM May 18, 2022Observed: 9.48 ft at 5:00PM May 18, 2022Observed: 9.53 ft at 5:15PM May 18, 2022Observed: 9.59 ft at 5:30PM May 18, 2022Observed: 9.66 ft at 5:45PM May 18, 2022Observed: 9.67 ft at 6:00PM May 18, 2022Observed: 9.72 ft at 6:15PM May 18, 2022Observed: 9.77 ft at 6:30PM May 18, 2022Observed: 9.82 ft at 6:45PM May 18, 2022Observed: 9.88 ft at 7:00PM May 18, 2022Observed: 9.91 ft at 7:15PM May 18, 2022Observed: 9.96 ft at 7:30PM May 18, 2022Observed: 10.01 ft at 7:45PM May 18, 2022Observed: 10.07 ft at 8:00PM May 18, 2022Observed: 10.1 ft at 8:15PM May 18, 2022Observed: 10.15 ft at 8:30PM May 18, 2022Observed: 10.2 ft at 8:45PM May 18, 2022Observed: 10.27 ft at 9:00PM May 18, 2022Observed: 10.31 ft at 9:15PM May 18, 2022Observed: 10.34 ft at 9:30PM May 18, 2022Observed: 10.4 ft at 9:45PM May 18, 2022Observed: 10.44 ft at 10:00PM May 18, 2022Observed: 10.46 ft at 10:15PM May 18, 2022Observed: 10.52 ft at 10:30PM May 18, 2022Observed: 10.57 ft at 10:45PM May 18, 2022Observed: 10.58 ft at 11:00PM May 18, 2022Observed: 10.64 ft at 11:15PM May 18, 2022Observed: 10.65 ft at 11:30PM May 18, 2022Observed: 10.68 ft at 11:45PM May 18, 2022Observed: 10.73 ft at 12:00AM May 19, 2022Observed: 10.75 ft at 12:15AM May 19, 2022Observed: 10.77 ft at 12:30AM May 19, 2022Observed: 10.81 ft at 12:45AM May 19, 2022Observed: 10.83 ft at 1:00AM May 19, 2022Observed: 10.85 ft at 1:15AM May 19, 2022Observed: 10.87 ft at 1:30AM May 19, 2022Observed: 10.9 ft at 1:45AM May 19, 2022Observed: 10.91 ft at 2:00AM May 19, 2022Observed: 10.92 ft at 2:15AM May 19, 2022Observed: 10.95 ft at 2:30AM May 19, 2022Observed: 10.96 ft at 2:45AM May 19, 2022Observed: 10.97 ft at 3:00AM May 19, 2022Observed: 10.99 ft at 3:15AM May 19, 2022Observed: 11 ft at 3:30AM May 19, 2022Observed: 11.01 ft at 3:45AM May 19, 2022Observed: 11.03 ft at 4:00AM May 19, 2022Observed: 11.05 ft at 4:15AM May 19, 2022Observed: 11.05 ft at 4:30AM May 19, 2022Observed: 11.05 ft at 4:45AM May 19, 2022Observed: 11.05 ft at 5:00AM May 19, 2022Highest Observation: 11.07 ft at 5:15AM May 19, 2022Observed: 11.06 ft at 5:30AM May 19, 2022Highest Observation: 11.07 ft at 5:45AM May 19, 2022Observed: 11.06 ft at 6:00AM May 19, 2022Observed: 11.05 ft at 6:15AM May 19, 2022Observed: 11.06 ft at 6:30AM May 19, 2022Observed: 11.06 ft at 6:45AM May 19, 2022Observed: 11.06 ft at 7:00AM May 19, 2022Observed: 11.05 ft at 7:15AM May 19, 2022Observed: 11.04 ft at 7:30AM May 19, 2022Observed: 11.03 ft at 7:45AM May 19, 2022Observed: 11.03 ft at 8:00AM May 19, 2022Observed: 11.04 ft at 8:15AM May 19, 2022Observed: 11.02 ft at 8:30AM May 19, 2022Observed: 11.01 ft at 8:45AM May 19, 2022Observed: 11.01 ft at 9:00AM May 19, 2022Observed: 10.99 ft at 9:15AM May 19, 2022Observed: 10.97 ft at 9:30AM May 19, 2022Observed: 10.98 ft at 9:45AM May 19, 2022Observed: 10.97 ft at 10:00AM May 19, 2022Observed: 10.97 ft at 10:15AM May 19, 2022Observed: 10.96 ft at 10:30AM May 19, 2022Observed: 10.95 ft at 10:45AM May 19, 2022Observed: 10.92 ft at 11:00AM May 19, 2022Observed: 10.92 ft at 11:15AM May 19, 2022Observed: 10.9 ft at 11:30AM May 19, 2022Observed: 10.88 ft at 11:45AM May 19, 2022Observed: 10.88 ft at 12:00PM May 19, 2022Observed: 10.85 ft at 12:15PM May 19, 2022Observed: 10.85 ft at 12:30PM May 19, 2022Observed: 10.86 ft at 12:45PM May 19, 2022Observed: 10.82 ft at 1:00PM May 19, 2022Observed: 10.8 ft at 1:15PM May 19, 2022Observed: 10.8 ft at 1:30PM May 19, 2022Observed: 10.8 ft at 1:45PM May 19, 2022Observed: 10.77 ft at 2:00PM May 19, 2022Observed: 10.77 ft at 2:15PM May 19, 2022Observed: 10.73 ft at 2:30PM May 19, 2022Observed: 10.72 ft at 2:45PM May 19, 2022Observed: 10.72 ft at 3:00PM May 19, 2022Observed: 10.68 ft at 3:15PM May 19, 2022Observed: 10.67 ft at 3:30PM May 19, 2022Observed: 10.64 ft at 3:45PM May 19, 2022Observed: 10.62 ft at 4:00PM May 19, 2022Observed: 10.62 ft at 4:15PM May 19, 2022Observed: 10.59 ft at 4:30PM May 19, 2022Observed: 10.57 ft at 4:45PM May 19, 2022Observed: 10.55 ft at 5:00PM May 19, 2022Observed: 10.48 ft at 5:15PM May 19, 2022Observed: 10.52 ft at 5:30PM May 19, 2022Observed: 10.51 ft at 5:45PM May 19, 2022Observed: 10.49 ft at 6:00PM May 19, 2022Observed: 10.46 ft at 6:15PM May 19, 2022Observed: 10.44 ft at 6:30PM May 19, 2022Observed: 10.43 ft at 6:45PM May 19, 2022Observed: 10.41 ft at 7:00PM May 19, 2022Observed: 10.41 ft at 7:15PM May 19, 2022Observed: 10.39 ft at 7:30PM May 19, 2022Observed: 10.39 ft at 7:45PM May 19, 2022Observed: 10.35 ft at 8:00PM May 19, 2022Observed: 10.33 ft at 8:15PM May 19, 2022Observed: 10.31 ft at 8:30PM May 19, 2022Observed: 10.3 ft at 8:45PM May 19, 2022Observed: 10.28 ft at 9:00PM May 19, 2022Observed: 10.26 ft at 9:15PM May 19, 2022Observed: 10.24 ft at 9:30PM May 19, 2022Observed: 10.23 ft at 9:45PM May 19, 2022Observed: 10.21 ft at 10:00PM May 19, 2022Observed: 10.19 ft at 10:15PM May 19, 2022Observed: 10.18 ft at 10:30PM May 19, 2022Observed: 10.17 ft at 10:45PM May 19, 2022Observed: 10.17 ft at 11:00PM May 19, 2022Observed: 10.15 ft at 11:15PM May 19, 2022Observed: 10.13 ft at 11:30PM May 19, 2022Observed: 10.11 ft at 11:45PM May 19, 2022Observed: 10.09 ft at 12:00AM May 20, 2022Observed: 10.09 ft at 12:15AM May 20, 2022Observed: 10.08 ft at 12:30AM May 20, 2022Observed: 10.07 ft at 12:45AM May 20, 2022Observed: 10.05 ft at 1:00AM May 20, 2022Observed: 10.04 ft at 1:15AM May 20, 2022Observed: 10.03 ft at 1:30AM May 20, 2022Observed: 10.01 ft at 1:45AM May 20, 2022Observed: 10.01 ft at 2:00AM May 20, 2022Observed: 10.01 ft at 2:15AM May 20, 2022Observed: 9.96 ft at 2:30AM May 20, 2022Observed: 9.98 ft at 2:45AM May 20, 2022Observed: 9.97 ft at 3:00AM May 20, 2022Observed: 9.97 ft at 3:15AM May 20, 2022Observed: 9.97 ft at 3:30AM May 20, 2022Observed: 9.95 ft at 3:45AM May 20, 2022Observed: 9.94 ft at 4:00AM May 20, 2022Observed: 9.92 ft at 4:15AM May 20, 2022Observed: 9.94 ft at 4:30AM May 20, 2022Observed: 9.9 ft at 4:45AM May 20, 2022Observed: 9.89 ft at 5:00AM May 20, 2022Observed: 9.88 ft at 5:15AM May 20, 2022Observed: 9.86 ft at 5:30AM May 20, 2022Observed: 9.84 ft at 5:45AM May 20, 2022Observed: 9.85 ft at 6:00AM May 20, 2022Observed: 9.83 ft at 6:15AM May 20, 2022Observed: 9.83 ft at 6:30AM May 20, 2022Observed: 9.82 ft at 6:45AM May 20, 2022Observed: 9.78 ft at 7:00AM May 20, 2022Observed: 9.78 ft at 7:15AM May 20, 2022Observed: 9.79 ft at 7:30AM May 20, 2022Observed: 9.78 ft at 7:45AM May 20, 2022Observed: 9.78 ft at 8:00AM May 20, 2022Observed: 9.82 ft at 8:15AM May 20, 2022Observed: 9.8 ft at 8:30AM May 20, 2022Observed: 9.77 ft at 8:45AM May 20, 2022Observed: 9.76 ft at 9:00AM May 20, 2022Observed: 9.76 ft at 9:15AM May 20, 2022Observed: 9.74 ft at 9:30AM May 20, 2022Observed: 9.77 ft at 9:45AM May 20, 2022Observed: 9.74 ft at 10:00AM May 20, 2022Observed: 9.75 ft at 10:15AM May 20, 2022Observed: 9.73 ft at 10:30AM May 20, 2022Observed: 9.75 ft at 10:45AM May 20, 2022Observed: 9.73 ft at 11:00AM May 20, 2022Observed: 9.74 ft at 11:15AM May 20, 2022Observed: 9.73 ft at 11:30AM May 20, 2022Observed: 9.73 ft at 11:45AM May 20, 2022Observed: 9.74 ft at 12:00PM May 20, 2022Observed: 9.71 ft at 12:15PM May 20, 2022Observed: 9.7 ft at 12:30PM May 20, 2022Observed: 9.71 ft at 12:45PM May 20, 2022Observed: 9.7 ft at 1:00PM May 20, 2022Observed: 9.73 ft at 1:15PM May 20, 2022Observed: 9.7 ft at 1:30PM May 20, 2022Observed: 9.69 ft at 1:45PM May 20, 2022Observed: 9.72 ft at 2:00PM May 20, 2022Observed: 9.71 ft at 2:15PM May 20, 2022Observed: 9.7 ft at 2:30PM May 20, 2022Observed: 9.7 ft at 2:45PM May 20, 2022Observed: 9.69 ft at 3:00PM May 20, 2022Observed: 9.68 ft at 3:15PM May 20, 2022Observed: 9.69 ft at 3:30PM May 20, 2022Observed: 9.71 ft at 3:45PM May 20, 2022Observed: 9.69 ft at 4:00PM May 20, 2022Observed: 9.7 ft at 4:15PM May 20, 2022Observed: 9.69 ft at 4:30PM May 20, 2022Observed: 9.71 ft at 4:45PM May 20, 2022Observed: 9.68 ft at 5:00PM May 20, 2022Observed: 9.68 ft at 5:15PM May 20, 2022Observed: 9.72 ft at 5:30PM May 20, 2022Observed: 9.69 ft at 5:45PM May 20, 2022Observed: 9.7 ft at 6:00PM May 20, 2022Observed: 9.71 ft at 6:15PM May 20, 2022Observed: 9.69 ft at 6:30PM May 20, 2022Observed: 9.71 ft at 6:45PM May 20, 2022Observed: 9.71 ft at 7:00PM May 20, 2022Observed: 9.71 ft at 7:15PM May 20, 2022Observed: 9.71 ft at 7:30PM May 20, 2022Observed: 9.71 ft at 7:45PM May 20, 2022Observed: 9.72 ft at 8:00PM May 20, 2022Observed: 9.72 ft at 8:15PM May 20, 2022Observed: 9.71 ft at 8:30PM May 20, 2022Observed: 9.73 ft at 8:45PM May 20, 2022Observed: 9.73 ft at 9:00PM May 20, 2022Observed: 9.76 ft at 12:15AM May 21, 2022Observed: 9.77 ft at 12:30AM May 21, 2022Observed: 9.76 ft at 12:45AM May 21, 2022Observed: 9.78 ft at 1:00AM May 21, 2022Observed: 9.79 ft at 1:15AM May 21, 2022Observed: 9.79 ft at 1:30AM May 21, 2022Observed: 9.78 ft at 1:45AM May 21, 2022Observed: 9.78 ft at 2:00AM May 21, 2022Observed: 9.77 ft at 2:15AM May 21, 2022Observed: 9.8 ft at 2:30AM May 21, 2022Observed: 9.78 ft at 2:45AM May 21, 2022Observed: 9.76 ft at 3:00AM May 21, 2022Observed: 9.79 ft at 3:15AM May 21, 2022Observed: 9.79 ft at 3:30AM May 21, 2022Observed: 9.77 ft at 3:45AM May 21, 2022Observed: 9.78 ft at 4:00AM May 21, 2022Observed: 9.78 ft at 4:15AM May 21, 2022Observed: 9.81 ft at 4:30AM May 21, 2022Observed: 9.81 ft at 4:45AM May 21, 2022Observed: 9.8 ft at 5:00AM May 21, 2022Observed: 9.81 ft at 5:15AM May 21, 2022Observed: 9.79 ft at 5:30AM May 21, 2022Observed: 9.82 ft at 5:45AM May 21, 2022Observed: 9.8 ft at 6:00AM May 21, 2022Observed: 9.8 ft at 6:15AM May 21, 2022Observed: 9.77 ft at 6:30AM May 21, 2022Observed: 9.79 ft at 6:45AM May 21, 2022Observed: 9.78 ft at 7:00AM May 21, 2022Observed: 9.78 ft at 7:15AM May 21, 2022Observed: 9.78 ft at 7:30AM May 21, 2022Observed: 9.81 ft at 7:45AM May 21, 2022Observed: 9.8 ft at 8:00AM May 21, 2022Observed: 9.76 ft at 8:15AM May 21, 2022Observed: 9.78 ft at 8:30AM May 21, 2022Observed: 9.77 ft at 8:45AM May 21, 2022Observed: 9.78 ft at 9:00AM May 21, 2022Highest Forecast: 9.4 ft 1:00PM May 21, 2022Forecast: 9.2 ft 7:00PM May 21, 2022Forecast: 9 ft 1:00AM May 22, 2022Forecast: 8.9 ft 7:00AM May 22, 2022Forecast: 8.7 ft 1:00PM May 22, 2022Forecast: 8.6 ft 7:00PM May 22, 2022Forecast: 8.5 ft 1:00AM May 23, 2022Forecast: 8.3 ft 7:00AM May 23, 2022Forecast: 8.2 ft 1:00PM May 23, 2022Forecast: 8 ft 7:00PM May 23, 2022Forecast: 7.8 ft 1:00AM May 24, 2022Forecast: 7.6 ft 7:00AM May 24, 2022Forecast: 7.4 ft 1:00PM May 24, 2022Forecast: 7.3 ft 7:00PM May 24, 2022Forecast: 7.2 ft 1:00AM May 25, 2022Forecast: 7.2 ft 7:00AM May 25, 2022NAPM7(plotting HGIRG) Graph Created (9:48AM May 21, 2022)ObservedForecast (issued 9:20AM May 20)Latest observed value: 9.78 ft at 9:00 AM CDT 21-May-2022. Flood Stage is 17 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: 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.

NOTE: Due to levee breaches and damage along the Missouri River, flood categories may not be representative until all levees have been repaired.

NOTE: Forecasts for the Missouri River at Napoleon are issued routinely year-round.

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Upstream Gauge - at Kansas City Upstream Gauge Downstream Gauge Downstream Gauge - near Waverly
Flood Categories (in feet)
Major Flood Stage: 30
Moderate Flood Stage: 25
Flood Stage: 17
Action Stage: 14
Low Stage (in feet): -9999

Historic Crests
(1) 29.73 ft on 06/02/2019
(2) 28.86 ft on 05/09/2007
(3) 28.12 ft on 03/25/2019
(4) 27.60 ft on 07/10/2011
(5) 27.40 ft on 05/19/1995
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 17.27 ft on 06/30/2021
(2) 20.44 ft on 06/26/2021
(3) 22.03 ft on 07/31/2020
(4) 23.49 ft on 05/29/2020
(5) 29.73 ft on 06/02/2019
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 3.00 ft on 01/09/1976
(2) 3.00 ft on 12/28/1970
(3) 3.90 ft on 12/20/1983
Show More Low Water Records

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:14
KML Image
Gauge LocationGauge Map Marker
 Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
30 Levees along the river may be overtopped resulting in widespread flooding of rural areas and roads within the floodplain.
25 Rural areas unprotected by levees flood.
24.5 The Missouri-Pacific Railroad tracks are overtopped.
17 Low-lying areas unprotected by levees begin to flood.
About This Location Collapse

Latitude: 39.133169° N, Longitude: 94.064225° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 17 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 680.14 ft 697.14 ft Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:
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The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Kansas City/Pleasant Hill Weather Forecast Office
1803 N. 7 Hwy
Pleasant Hill, MO 64080
(816) 540-6021
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