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Hydrograph River at a Glance Download
Missouri River at Napoleon Stage (ft)Flow (kcfs)Observed: 20.01 ft at 3:15AM May 25, 2015Observed: 20.01 ft at 3:30AM May 25, 2015Observed: 20 ft at 3:45AM May 25, 2015Observed: 20 ft at 4:00AM May 25, 2015Observed: 19.98 ft at 4:15AM May 25, 2015Observed: 20.01 ft at 4:30AM May 25, 2015Observed: 19.98 ft at 4:45AM May 25, 2015Highest Observation: 20.04 ft at 5:00AM May 25, 2015Observed: 20.02 ft at 5:15AM May 25, 2015Observed: 19.97 ft at 5:30AM May 25, 2015Observed: 20.02 ft at 5:45AM May 25, 2015Observed: 19.9 ft at 6:00AM May 25, 2015Observed: 19.97 ft at 6:15AM May 25, 2015Observed: 19.98 ft at 6:30AM May 25, 2015Observed: 19.97 ft at 6:45AM May 25, 2015Observed: 19.97 ft at 7:00AM May 25, 2015Observed: 19.89 ft at 7:15AM May 25, 2015Observed: 19.96 ft at 7:30AM May 25, 2015Observed: 19.96 ft at 7:45AM May 25, 2015Observed: 19.92 ft at 8:00AM May 25, 2015Observed: 19.87 ft at 8:15AM May 25, 2015Observed: 19.89 ft at 8:30AM May 25, 2015Observed: 19.87 ft at 8:45AM May 25, 2015Observed: 19.91 ft at 9:00AM May 25, 2015Observed: 19.87 ft at 9:15AM May 25, 2015Observed: 19.82 ft at 9:30AM May 25, 2015Observed: 19.83 ft at 9:45AM May 25, 2015Observed: 19.75 ft at 10:00AM May 25, 2015Observed: 19.83 ft at 10:15AM May 25, 2015Observed: 19.79 ft at 10:30AM May 25, 2015Observed: 19.77 ft at 10:45AM May 25, 2015Observed: 19.72 ft at 11:00AM May 25, 2015Observed: 19.75 ft at 11:15AM May 25, 2015Observed: 19.72 ft at 11:30AM May 25, 2015Observed: 19.73 ft at 11:45AM May 25, 2015Observed: 19.66 ft at 12:00PM May 25, 2015Observed: 19.6 ft at 12:15PM May 25, 2015Observed: 19.65 ft at 12:30PM May 25, 2015Observed: 19.62 ft at 12:45PM May 25, 2015Observed: 19.58 ft at 1:00PM May 25, 2015Observed: 19.59 ft at 1:15PM May 25, 2015Observed: 19.58 ft at 1:30PM May 25, 2015Observed: 19.53 ft at 1:45PM May 25, 2015Observed: 19.5 ft at 2:00PM May 25, 2015Observed: 19.49 ft at 2:15PM May 25, 2015Observed: 19.44 ft at 2:30PM May 25, 2015Observed: 19.42 ft at 2:45PM May 25, 2015Observed: 19.34 ft at 3:00PM May 25, 2015Observed: 19.36 ft at 3:15PM May 25, 2015Observed: 19.37 ft at 3:30PM May 25, 2015Observed: 19.34 ft at 3:45PM May 25, 2015Observed: 19.27 ft at 4:00PM May 25, 2015Observed: 19.23 ft at 4:15PM May 25, 2015Observed: 19.22 ft at 4:30PM May 25, 2015Observed: 19.15 ft at 4:45PM May 25, 2015Observed: 19.16 ft at 5:00PM May 25, 2015Observed: 19.11 ft at 5:15PM May 25, 2015Observed: 19.1 ft at 5:30PM May 25, 2015Observed: 19.05 ft at 5:45PM May 25, 2015Observed: 19.08 ft at 6:00PM May 25, 2015Observed: 18.96 ft at 6:15PM May 25, 2015Observed: 18.95 ft at 6:30PM May 25, 2015Observed: 18.94 ft at 6:45PM May 25, 2015Observed: 18.89 ft at 7:00PM May 25, 2015Observed: 18.84 ft at 7:15PM May 25, 2015Observed: 18.88 ft at 7:30PM May 25, 2015Observed: 18.81 ft at 7:45PM May 25, 2015Observed: 18.81 ft at 8:00PM May 25, 2015Observed: 18.83 ft at 8:15PM May 25, 2015Observed: 18.73 ft at 8:30PM May 25, 2015Observed: 18.69 ft at 8:45PM May 25, 2015Observed: 18.65 ft at 9:00PM May 25, 2015Observed: 18.64 ft at 9:15PM May 25, 2015Observed: 18.6 ft at 9:30PM May 25, 2015Observed: 18.59 ft at 9:45PM May 25, 2015Observed: 18.58 ft at 10:00PM May 25, 2015Observed: 18.51 ft at 10:15PM May 25, 2015Observed: 18.49 ft at 10:30PM May 25, 2015Observed: 18.46 ft at 10:45PM May 25, 2015Observed: 18.4 ft at 11:00PM May 25, 2015Observed: 18.43 ft at 11:15PM May 25, 2015Observed: 18.37 ft at 11:30PM May 25, 2015Observed: 18.35 ft at 11:45PM May 25, 2015Observed: 18.34 ft at 12:00AM May 26, 2015Observed: 18.28 ft at 12:15AM May 26, 2015Observed: 18.24 ft at 12:30AM May 26, 2015Observed: 18.16 ft at 12:45AM May 26, 2015Observed: 18.22 ft at 1:00AM May 26, 2015Observed: 18.2 ft at 1:15AM May 26, 2015Observed: 18.11 ft at 1:30AM May 26, 2015Observed: 18.07 ft at 1:45AM May 26, 2015Observed: 18.02 ft at 2:00AM May 26, 2015Observed: 18.03 ft at 2:15AM May 26, 2015Observed: 18.04 ft at 2:30AM May 26, 2015Observed: 17.94 ft at 2:45AM May 26, 2015Observed: 17.94 ft at 3:00AM May 26, 2015Observed: 17.91 ft at 3:15AM May 26, 2015Observed: 17.91 ft at 3:30AM May 26, 2015Observed: 17.84 ft at 3:45AM May 26, 2015Observed: 17.87 ft at 4:00AM May 26, 2015Observed: 17.85 ft at 4:15AM May 26, 2015Observed: 17.81 ft at 4:30AM May 26, 2015Observed: 17.83 ft at 4:45AM May 26, 2015Observed: 17.79 ft at 5:00AM May 26, 2015Observed: 17.72 ft at 5:15AM May 26, 2015Observed: 17.73 ft at 5:30AM May 26, 2015Observed: 17.73 ft at 5:45AM May 26, 2015Observed: 17.69 ft at 6:00AM May 26, 2015Observed: 17.66 ft at 6:15AM May 26, 2015Observed: 17.71 ft at 6:30AM May 26, 2015Observed: 17.66 ft at 6:45AM May 26, 2015Observed: 17.66 ft at 7:00AM May 26, 2015Observed: 17.66 ft at 7:15AM May 26, 2015Observed: 17.67 ft at 7:30AM May 26, 2015Observed: 17.63 ft at 7:45AM May 26, 2015Observed: 17.63 ft at 8:00AM May 26, 2015Observed: 17.57 ft at 8:15AM May 26, 2015Observed: 17.6 ft at 8:30AM May 26, 2015Observed: 17.6 ft at 8:45AM May 26, 2015Observed: 17.58 ft at 9:00AM May 26, 2015Observed: 17.56 ft at 9:15AM May 26, 2015Observed: 17.56 ft at 9:30AM May 26, 2015Observed: 17.61 ft at 9:45AM May 26, 2015Observed: 17.6 ft at 10:00AM May 26, 2015Observed: 17.49 ft at 10:15AM May 26, 2015Observed: 17.59 ft at 10:30AM May 26, 2015Observed: 17.58 ft at 10:45AM May 26, 2015Observed: 17.61 ft at 11:00AM May 26, 2015Observed: 17.63 ft at 11:15AM May 26, 2015Observed: 17.64 ft at 11:30AM May 26, 2015Observed: 17.67 ft at 11:45AM May 26, 2015Observed: 17.64 ft at 12:00PM May 26, 2015Observed: 17.71 ft at 12:15PM May 26, 2015Observed: 17.68 ft at 12:30PM May 26, 2015Observed: 17.74 ft at 12:45PM May 26, 2015Observed: 17.72 ft at 1:00PM May 26, 2015Observed: 17.71 ft at 1:15PM May 26, 2015Observed: 17.8 ft at 1:30PM May 26, 2015Observed: 17.75 ft at 1:45PM May 26, 2015Observed: 17.84 ft at 2:00PM May 26, 2015Observed: 17.81 ft at 2:15PM May 26, 2015Observed: 17.82 ft at 2:30PM May 26, 2015Observed: 17.88 ft at 2:45PM May 26, 2015Observed: 17.84 ft at 3:00PM May 26, 2015Observed: 17.85 ft at 3:15PM May 26, 2015Observed: 17.95 ft at 3:30PM May 26, 2015Observed: 17.92 ft at 3:45PM May 26, 2015Observed: 17.97 ft at 4:00PM May 26, 2015Observed: 17.96 ft at 4:15PM May 26, 2015Observed: 18 ft at 4:30PM May 26, 2015Observed: 18.04 ft at 4:45PM May 26, 2015Observed: 18.08 ft at 5:00PM May 26, 2015Observed: 18.08 ft at 5:15PM May 26, 2015Observed: 18.13 ft at 5:30PM May 26, 2015Observed: 18.11 ft at 5:45PM May 26, 2015Observed: 18.17 ft at 6:00PM May 26, 2015Observed: 18.16 ft at 6:15PM May 26, 2015Observed: 18.17 ft at 6:30PM May 26, 2015Observed: 18.24 ft at 6:45PM May 26, 2015Observed: 18.19 ft at 7:00PM May 26, 2015Observed: 18.26 ft at 7:15PM May 26, 2015Observed: 18.34 ft at 7:30PM May 26, 2015Observed: 18.29 ft at 7:45PM May 26, 2015Observed: 18.35 ft at 8:00PM May 26, 2015Observed: 18.42 ft at 8:15PM May 26, 2015Observed: 18.35 ft at 8:30PM May 26, 2015Observed: 18.47 ft at 8:45PM May 26, 2015Observed: 18.5 ft at 9:00PM May 26, 2015Observed: 18.52 ft at 9:15PM May 26, 2015Observed: 18.54 ft at 9:30PM May 26, 2015Observed: 18.54 ft at 9:45PM May 26, 2015Observed: 18.59 ft at 10:00PM May 26, 2015Observed: 18.65 ft at 10:15PM May 26, 2015Observed: 18.61 ft at 10:30PM May 26, 2015Observed: 18.7 ft at 10:45PM May 26, 2015Observed: 18.72 ft at 11:00PM May 26, 2015Observed: 18.75 ft at 11:15PM May 26, 2015Observed: 18.78 ft at 11:30PM May 26, 2015Observed: 18.82 ft at 11:45PM May 26, 2015Observed: 18.79 ft at 12:00AM May 27, 2015Observed: 18.89 ft at 12:15AM May 27, 2015Observed: 18.88 ft at 12:30AM May 27, 2015Observed: 18.93 ft at 12:45AM May 27, 2015Observed: 18.92 ft at 1:00AM May 27, 2015Observed: 19.01 ft at 1:15AM May 27, 2015Observed: 19.01 ft at 1:30AM May 27, 2015Observed: 19.06 ft at 1:45AM May 27, 2015Observed: 19.09 ft at 2:00AM May 27, 2015Observed: 19.13 ft at 2:15AM May 27, 2015Observed: 19.17 ft at 2:30AM May 27, 2015Observed: 19.17 ft at 2:45AM May 27, 2015Observed: 19.16 ft at 3:00AM May 27, 2015Observed: 19.2 ft at 3:15AM May 27, 2015Observed: 19.27 ft at 3:30AM May 27, 2015Observed: 19.28 ft at 3:45AM May 27, 2015Observed: 19.24 ft at 4:00AM May 27, 2015Observed: 19.24 ft at 4:15AM May 27, 2015Observed: 19.34 ft at 4:30AM May 27, 2015Observed: 19.32 ft at 4:45AM May 27, 2015Observed: 19.31 ft at 5:00AM May 27, 2015Observed: 19.32 ft at 5:15AM May 27, 2015Observed: 19.39 ft at 5:30AM May 27, 2015Observed: 19.42 ft at 5:45AM May 27, 2015Observed: 19.43 ft at 6:00AM May 27, 2015Observed: 19.44 ft at 6:15AM May 27, 2015Observed: 19.45 ft at 6:30AM May 27, 2015Observed: 19.52 ft at 6:45AM May 27, 2015Observed: 19.47 ft at 7:00AM May 27, 2015Observed: 19.49 ft at 7:15AM May 27, 2015Observed: 19.53 ft at 7:30AM May 27, 2015Observed: 19.58 ft at 7:45AM May 27, 2015Observed: 19.52 ft at 8:00AM May 27, 2015Observed: 19.63 ft at 8:15AM May 27, 2015Observed: 19.61 ft at 8:30AM May 27, 2015Observed: 19.66 ft at 8:45AM May 27, 2015Observed: 19.68 ft at 9:00AM May 27, 2015Observed: 19.67 ft at 9:15AM May 27, 2015Observed: 19.72 ft at 9:30AM May 27, 2015Observed: 19.72 ft at 9:45AM May 27, 2015Observed: 19.73 ft at 10:00AM May 27, 2015Observed: 19.76 ft at 10:15AM May 27, 2015Observed: 19.75 ft at 10:30AM May 27, 2015Observed: 19.78 ft at 10:45AM May 27, 2015Observed: 19.81 ft at 11:00AM May 27, 2015Observed: 19.82 ft at 11:15AM May 27, 2015Observed: 19.84 ft at 11:30AM May 27, 2015Observed: 19.85 ft at 11:45AM May 27, 2015Observed: 19.88 ft at 12:00PM May 27, 2015Observed: 19.82 ft at 12:15PM May 27, 2015Observed: 19.88 ft at 12:30PM May 27, 2015Observed: 19.94 ft at 12:45PM May 27, 2015Observed: 19.89 ft at 1:00PM May 27, 2015Observed: 19.82 ft at 1:15PM May 27, 2015Observed: 19.95 ft at 1:30PM May 27, 2015Observed: 19.98 ft at 1:45PM May 27, 2015Observed: 19.95 ft at 2:00PM May 27, 2015Observed: 19.95 ft at 2:15PM May 27, 2015Observed: 19.96 ft at 2:30PM May 27, 2015Observed: 19.96 ft at 2:45PM May 27, 2015Observed: 20 ft at 3:00PM May 27, 2015Observed: 20.02 ft at 3:15PM May 27, 2015Observed: 19.98 ft at 3:30PM May 27, 2015Observed: 19.98 ft at 3:45PM May 27, 2015Observed: 19.99 ft at 4:00PM May 27, 2015Observed: 20.02 ft at 4:15PM May 27, 2015Observed: 20 ft at 4:30PM May 27, 2015Observed: 20.01 ft at 4:45PM May 27, 2015Observed: 19.95 ft at 5:00PM May 27, 2015Observed: 20 ft at 5:15PM May 27, 2015Observed: 20.01 ft at 5:30PM May 27, 2015Observed: 19.98 ft at 5:45PM May 27, 2015Observed: 19.98 ft at 6:00PM May 27, 2015Observed: 20.01 ft at 6:15PM May 27, 2015Highest Observation: 20.04 ft at 6:30PM May 27, 2015Observed: 19.99 ft at 6:45PM May 27, 2015Observed: 20 ft at 7:00PM May 27, 2015Observed: 19.97 ft at 7:15PM May 27, 2015Observed: 19.93 ft at 7:30PM May 27, 2015Observed: 19.94 ft at 7:45PM May 27, 2015Observed: 19.94 ft at 8:00PM May 27, 2015Observed: 19.91 ft at 8:15PM May 27, 2015Observed: 19.9 ft at 8:30PM May 27, 2015Observed: 19.85 ft at 8:45PM May 27, 2015Observed: 19.86 ft at 9:00PM May 27, 2015Observed: 19.86 ft at 9:15PM May 27, 2015Observed: 19.89 ft at 9:30PM May 27, 2015Observed: 19.88 ft at 9:45PM May 27, 2015Observed: 19.84 ft at 10:00PM May 27, 2015Observed: 19.78 ft at 10:15PM May 27, 2015Observed: 19.81 ft at 10:30PM May 27, 2015Observed: 19.78 ft at 10:45PM May 27, 2015Observed: 19.75 ft at 11:00PM May 27, 2015Observed: 19.78 ft at 11:15PM May 27, 2015Observed: 19.72 ft at 11:30PM May 27, 2015Observed: 19.73 ft at 11:45PM May 27, 2015Observed: 19.68 ft at 12:00AM May 28, 2015Observed: 19.65 ft at 12:15AM May 28, 2015Observed: 19.63 ft at 12:30AM May 28, 2015Observed: 19.63 ft at 12:45AM May 28, 2015Observed: 19.59 ft at 1:00AM May 28, 2015Observed: 19.58 ft at 1:15AM May 28, 2015Observed: 19.57 ft at 1:30AM May 28, 2015Observed: 19.55 ft at 1:45AM May 28, 2015Observed: 19.56 ft at 2:00AM May 28, 2015Highest Forecast: 19.8 ft 7:00AM May 28, 2015Forecast: 19.5 ft 1:00PM May 28, 2015Forecast: 19.2 ft 7:00PM May 28, 2015Forecast: 18.8 ft 1:00AM May 29, 2015Forecast: 18.4 ft 7:00AM May 29, 2015Forecast: 18 ft 1:00PM May 29, 2015Forecast: 17.6 ft 7:00PM May 29, 2015Forecast: 17.2 ft 1:00AM May 30, 2015Forecast: 16.9 ft 7:00AM May 30, 2015Forecast: 16.6 ft 1:00PM May 30, 2015Forecast: 16.4 ft 7:00PM May 30, 2015Forecast: 16.2 ft 1:00AM May 31, 2015Forecast: 16 ft 7:00AM May 31, 2015Forecast: 15.8 ft 1:00PM May 31, 2015Forecast: 15.6 ft 7:00PM May 31, 2015Forecast: 15.2 ft 1:00AM Jun 01, 2015Forecast: 14.8 ft 7:00AM Jun 01, 2015Forecast: 14.5 ft 1:00PM Jun 01, 2015Forecast: 14.3 ft 7:00PM Jun 01, 2015NAPM7(plotting HGIRG) Graph Created (3:02AM May 28, 2015)ObservedForecast (issued 12:07AM May 28)Latest observed value: 19.56 ft at 2:00 AM CDT 28-May-2015. 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: Forecasts for the Missouri River at Napoleon are issued routinely year-round.
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Upstream Gauge - at Sibley 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): 0

Historic Crests
(1) 28.86 ft on 05/09/2007
(2) 27.60 ft on 07/10/2011
(3) 27.40 ft on 05/19/1995
(4) 26.80 ft on 07/15/1951
(5) 26.70 ft on 07/11/1993
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 17.60 ft on 07/08/2014
(2) 17.80 ft on 06/27/2014
(3) 19.24 ft on 06/06/2014
(4) 23.40 ft on 06/01/2013
(5) 27.60 ft on 07/10/2011
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 3.00 ft on 12/28/1970
(2) 3.00 ft on 01/09/1976
(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: 39.133611° N, Longitude: 94.063333° 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 702.0 ft 719.0 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  
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Hydrologic Resources Additional Resources
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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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Page last modified: 12-Feb-2015 9:35 PM
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