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Hydrograph River at a Glance Download
Missouri River at Napoleon Stage (ft)Flow (kcfs)Observed: 8.22 ft at 11:00PM Apr 30, 2015Observed: 8.21 ft at 11:15PM Apr 30, 2015Observed: 8.19 ft at 11:30PM Apr 30, 2015Observed: 8.18 ft at 11:45PM Apr 30, 2015Observed: 8.22 ft at 12:00AM May 01, 2015Observed: 8.18 ft at 12:15AM May 01, 2015Observed: 8.18 ft at 12:30AM May 01, 2015Observed: 8.19 ft at 12:45AM May 01, 2015Observed: 8.22 ft at 1:00AM May 01, 2015Observed: 8.19 ft at 1:15AM May 01, 2015Observed: 8.21 ft at 1:30AM May 01, 2015Observed: 8.18 ft at 1:45AM May 01, 2015Observed: 8.22 ft at 2:00AM May 01, 2015Observed: 8.18 ft at 2:15AM May 01, 2015Observed: 8.2 ft at 2:30AM May 01, 2015Observed: 8.21 ft at 2:45AM May 01, 2015Observed: 8.22 ft at 3:00AM May 01, 2015Observed: 8.21 ft at 3:15AM May 01, 2015Observed: 8.18 ft at 3:45AM May 01, 2015Observed: 8.19 ft at 4:00AM May 01, 2015Observed: 8.2 ft at 4:15AM May 01, 2015Observed: 8.19 ft at 4:30AM May 01, 2015Observed: 8.19 ft at 4:45AM May 01, 2015Observed: 8.2 ft at 5:00AM May 01, 2015Observed: 8.18 ft at 5:15AM May 01, 2015Observed: 8.2 ft at 5:30AM May 01, 2015Observed: 8.18 ft at 5:45AM May 01, 2015Observed: 8.2 ft at 6:00AM May 01, 2015Observed: 8.19 ft at 6:15AM May 01, 2015Observed: 8.19 ft at 6:30AM May 01, 2015Observed: 8.18 ft at 6:45AM May 01, 2015Observed: 8.18 ft at 7:00AM May 01, 2015Observed: 8.19 ft at 7:15AM May 01, 2015Observed: 8.19 ft at 7:30AM May 01, 2015Observed: 8.17 ft at 7:45AM May 01, 2015Observed: 8.21 ft at 8:00AM May 01, 2015Observed: 8.2 ft at 8:15AM May 01, 2015Observed: 8.16 ft at 8:30AM May 01, 2015Observed: 8.2 ft at 8:45AM May 01, 2015Observed: 8.2 ft at 9:00AM May 01, 2015Observed: 8.21 ft at 9:15AM May 01, 2015Observed: 8.19 ft at 9:30AM May 01, 2015Observed: 8.19 ft at 9:45AM May 01, 2015Observed: 8.19 ft at 10:00AM May 01, 2015Observed: 8.19 ft at 10:15AM May 01, 2015Observed: 8.19 ft at 10:30AM May 01, 2015Observed: 8.19 ft at 10:45AM May 01, 2015Observed: 8.18 ft at 11:00AM May 01, 2015Observed: 8.19 ft at 11:15AM May 01, 2015Observed: 8.18 ft at 11:30AM May 01, 2015Observed: 8.21 ft at 11:45AM May 01, 2015Observed: 8.18 ft at 12:00PM May 01, 2015Observed: 8.19 ft at 12:15PM May 01, 2015Observed: 8.19 ft at 12:30PM May 01, 2015Observed: 8.18 ft at 12:45PM May 01, 2015Observed: 8.18 ft at 1:00PM May 01, 2015Observed: 8.17 ft at 1:15PM May 01, 2015Observed: 8.18 ft at 1:30PM May 01, 2015Observed: 8.19 ft at 1:45PM May 01, 2015Observed: 8.15 ft at 2:00PM May 01, 2015Observed: 8.16 ft at 2:15PM May 01, 2015Observed: 8.19 ft at 2:30PM May 01, 2015Observed: 8.18 ft at 2:45PM May 01, 2015Observed: 8.19 ft at 3:00PM May 01, 2015Observed: 8.15 ft at 3:15PM May 01, 2015Observed: 8.18 ft at 3:30PM May 01, 2015Observed: 8.16 ft at 3:45PM May 01, 2015Observed: 8.18 ft at 4:00PM May 01, 2015Observed: 8.18 ft at 4:15PM May 01, 2015Observed: 8.18 ft at 4:30PM May 01, 2015Observed: 8.18 ft at 4:45PM May 01, 2015Observed: 8.18 ft at 5:00PM May 01, 2015Observed: 8.18 ft at 5:15PM May 01, 2015Observed: 8.18 ft at 5:30PM May 01, 2015Observed: 8.18 ft at 5:45PM May 01, 2015Observed: 8.17 ft at 6:00PM May 01, 2015Observed: 8.17 ft at 6:15PM May 01, 2015Observed: 8.18 ft at 6:30PM May 01, 2015Observed: 8.17 ft at 6:45PM May 01, 2015Observed: 8.2 ft at 7:00PM May 01, 2015Observed: 8.16 ft at 7:15PM May 01, 2015Observed: 8.19 ft at 7:30PM May 01, 2015Observed: 8.18 ft at 7:45PM May 01, 2015Observed: 8.19 ft at 8:00PM May 01, 2015Observed: 8.18 ft at 8:15PM May 01, 2015Observed: 8.17 ft at 8:30PM May 01, 2015Observed: 8.18 ft at 8:45PM May 01, 2015Observed: 8.16 ft at 9:00PM May 01, 2015Observed: 8.18 ft at 9:15PM May 01, 2015Observed: 8.18 ft at 9:30PM May 01, 2015Observed: 8.19 ft at 9:45PM May 01, 2015Observed: 8.18 ft at 10:00PM May 01, 2015Observed: 8.19 ft at 10:15PM May 01, 2015Observed: 8.19 ft at 10:30PM May 01, 2015Observed: 8.19 ft at 10:45PM May 01, 2015Observed: 8.17 ft at 11:00PM May 01, 2015Observed: 8.19 ft at 11:15PM May 01, 2015Observed: 8.17 ft at 11:30PM May 01, 2015Observed: 8.2 ft at 11:45PM May 01, 2015Observed: 8.16 ft at 12:00AM May 02, 2015Observed: 8.19 ft at 12:15AM May 02, 2015Observed: 8.19 ft at 12:30AM May 02, 2015Observed: 8.19 ft at 12:45AM May 02, 2015Observed: 8.19 ft at 1:00AM May 02, 2015Observed: 8.19 ft at 1:15AM May 02, 2015Observed: 8.18 ft at 1:30AM May 02, 2015Observed: 8.18 ft at 1:45AM May 02, 2015Observed: 8.18 ft at 2:00AM May 02, 2015Observed: 8.18 ft at 2:15AM May 02, 2015Observed: 8.19 ft at 2:30AM May 02, 2015Observed: 8.2 ft at 2:45AM May 02, 2015Observed: 8.17 ft at 3:00AM May 02, 2015Observed: 8.2 ft at 3:15AM May 02, 2015Observed: 8.19 ft at 3:30AM May 02, 2015Observed: 8.19 ft at 3:45AM May 02, 2015Observed: 8.19 ft at 4:00AM May 02, 2015Observed: 8.19 ft at 4:15AM May 02, 2015Observed: 8.21 ft at 4:30AM May 02, 2015Observed: 8.19 ft at 4:45AM May 02, 2015Observed: 8.18 ft at 5:00AM May 02, 2015Observed: 8.21 ft at 5:15AM May 02, 2015Observed: 8.2 ft at 5:30AM May 02, 2015Observed: 8.21 ft at 5:45AM May 02, 2015Observed: 8.19 ft at 6:00AM May 02, 2015Observed: 8.2 ft at 6:15AM May 02, 2015Observed: 8.2 ft at 6:30AM May 02, 2015Observed: 8.22 ft at 6:45AM May 02, 2015Observed: 8.2 ft at 7:00AM May 02, 2015Observed: 8.21 ft at 7:15AM May 02, 2015Highest Observation: 8.24 ft at 7:30AM May 02, 2015Observed: 8.21 ft at 7:45AM May 02, 2015Observed: 8.21 ft at 8:00AM May 02, 2015Observed: 8.19 ft at 8:15AM May 02, 2015Observed: 8.21 ft at 8:30AM May 02, 2015Observed: 8.2 ft at 8:45AM May 02, 2015Observed: 8.22 ft at 9:00AM May 02, 2015Observed: 8.21 ft at 9:15AM May 02, 2015Observed: 8.2 ft at 9:30AM May 02, 2015Observed: 8.21 ft at 9:45AM May 02, 2015Observed: 8.21 ft at 10:00AM May 02, 2015Highest Observation: 8.24 ft at 10:15AM May 02, 2015Observed: 8.22 ft at 10:30AM May 02, 2015Observed: 8.21 ft at 10:45AM May 02, 2015Observed: 8.2 ft at 11:00AM May 02, 2015Observed: 8.19 ft at 11:15AM May 02, 2015Observed: 8.2 ft at 11:30AM May 02, 2015Observed: 8.18 ft at 11:45AM May 02, 2015Observed: 8.18 ft at 12:00PM May 02, 2015Observed: 8.2 ft at 12:15PM May 02, 2015Observed: 8.21 ft at 12:30PM May 02, 2015Observed: 8.19 ft at 12:45PM May 02, 2015Observed: 8.2 ft at 1:00PM May 02, 2015Observed: 8.21 ft at 1:15PM May 02, 2015Observed: 8.18 ft at 1:30PM May 02, 2015Observed: 8.19 ft at 1:45PM May 02, 2015Observed: 8.2 ft at 2:00PM May 02, 2015Observed: 8.18 ft at 2:15PM May 02, 2015Observed: 8.2 ft at 2:30PM May 02, 2015Observed: 8.19 ft at 2:45PM May 02, 2015Observed: 8.19 ft at 3:00PM May 02, 2015Observed: 8.19 ft at 3:15PM May 02, 2015Observed: 8.2 ft at 3:30PM May 02, 2015Observed: 8.19 ft at 3:45PM May 02, 2015Observed: 8.19 ft at 4:00PM May 02, 2015Observed: 8.18 ft at 4:15PM May 02, 2015Observed: 8.2 ft at 4:30PM May 02, 2015Observed: 8.17 ft at 4:45PM May 02, 2015Observed: 8.18 ft at 5:00PM May 02, 2015Observed: 8.19 ft at 5:15PM May 02, 2015Observed: 8.19 ft at 5:30PM May 02, 2015Observed: 8.18 ft at 5:45PM May 02, 2015Observed: 8.18 ft at 6:00PM May 02, 2015Observed: 8.2 ft at 6:15PM May 02, 2015Observed: 8.2 ft at 6:30PM May 02, 2015Observed: 8.2 ft at 6:45PM May 02, 2015Observed: 8.18 ft at 7:00PM May 02, 2015Observed: 8.19 ft at 7:15PM May 02, 2015Observed: 8.19 ft at 7:30PM May 02, 2015Observed: 8.18 ft at 7:45PM May 02, 2015Observed: 8.18 ft at 8:00PM May 02, 2015Observed: 8.18 ft at 8:15PM May 02, 2015Observed: 8.18 ft at 8:30PM May 02, 2015Observed: 8.18 ft at 8:45PM May 02, 2015Observed: 8.17 ft at 9:00PM May 02, 2015Observed: 8.17 ft at 9:15PM May 02, 2015Observed: 8.17 ft at 9:30PM May 02, 2015Observed: 8.17 ft at 9:45PM May 02, 2015Observed: 8.17 ft at 10:00PM May 02, 2015Observed: 8.18 ft at 10:15PM May 02, 2015Observed: 8.18 ft at 10:30PM May 02, 2015Observed: 8.17 ft at 10:45PM May 02, 2015Observed: 8.17 ft at 11:00PM May 02, 2015Observed: 8.18 ft at 11:15PM May 02, 2015Observed: 8.18 ft at 11:30PM May 02, 2015Observed: 8.16 ft at 11:45PM May 02, 2015Observed: 8.17 ft at 12:00AM May 03, 2015Observed: 8.17 ft at 12:15AM May 03, 2015Observed: 8.18 ft at 12:30AM May 03, 2015Observed: 8.14 ft at 12:45AM May 03, 2015Observed: 8.16 ft at 1:00AM May 03, 2015Observed: 8.17 ft at 1:15AM May 03, 2015Observed: 8.15 ft at 1:30AM May 03, 2015Observed: 8.14 ft at 1:45AM May 03, 2015Observed: 8.15 ft at 2:00AM May 03, 2015Observed: 8.15 ft at 2:15AM May 03, 2015Observed: 8.16 ft at 2:30AM May 03, 2015Observed: 8.18 ft at 2:45AM May 03, 2015Observed: 8.15 ft at 3:00AM May 03, 2015Observed: 8.15 ft at 3:15AM May 03, 2015Observed: 8.16 ft at 3:30AM May 03, 2015Observed: 8.15 ft at 3:45AM May 03, 2015Observed: 8.15 ft at 4:00AM May 03, 2015Observed: 8.16 ft at 4:15AM May 03, 2015Observed: 8.16 ft at 4:30AM May 03, 2015Observed: 8.17 ft at 4:45AM May 03, 2015Observed: 8.16 ft at 5:00AM May 03, 2015Observed: 8.16 ft at 5:15AM May 03, 2015Observed: 8.14 ft at 5:30AM May 03, 2015Observed: 8.15 ft at 5:45AM May 03, 2015Observed: 8.15 ft at 6:00AM May 03, 2015Observed: 8.15 ft at 6:15AM May 03, 2015Observed: 8.15 ft at 6:30AM May 03, 2015Observed: 8.13 ft at 6:45AM May 03, 2015Observed: 8.16 ft at 7:00AM May 03, 2015Observed: 8.12 ft at 7:15AM May 03, 2015Observed: 8.1 ft at 7:30AM May 03, 2015Observed: 8.12 ft at 7:45AM May 03, 2015Observed: 8.11 ft at 8:00AM May 03, 2015Observed: 8.09 ft at 8:15AM May 03, 2015Observed: 8.11 ft at 8:30AM May 03, 2015Observed: 8.11 ft at 8:45AM May 03, 2015Observed: 8.1 ft at 9:00AM May 03, 2015Observed: 8.1 ft at 9:15AM May 03, 2015Observed: 8.14 ft at 9:30AM May 03, 2015Observed: 8.1 ft at 9:45AM May 03, 2015Observed: 8.11 ft at 10:00AM May 03, 2015Observed: 8.12 ft at 10:15AM May 03, 2015Observed: 8.11 ft at 10:30AM May 03, 2015Observed: 8.09 ft at 10:45AM May 03, 2015Observed: 8.09 ft at 11:00AM May 03, 2015Observed: 8.09 ft at 11:15AM May 03, 2015Observed: 8.09 ft at 11:30AM May 03, 2015Observed: 8.08 ft at 11:45AM May 03, 2015Observed: 8.08 ft at 12:00PM May 03, 2015Observed: 8.07 ft at 12:15PM May 03, 2015Observed: 8.06 ft at 12:30PM May 03, 2015Observed: 8.08 ft at 12:45PM May 03, 2015Observed: 8.06 ft at 1:00PM May 03, 2015Observed: 8.03 ft at 1:15PM May 03, 2015Observed: 8.08 ft at 1:30PM May 03, 2015Observed: 8.06 ft at 1:45PM May 03, 2015Observed: 8.09 ft at 2:00PM May 03, 2015Observed: 8.08 ft at 2:15PM May 03, 2015Observed: 8.07 ft at 2:30PM May 03, 2015Observed: 8.07 ft at 2:45PM May 03, 2015Observed: 8.07 ft at 3:00PM May 03, 2015Observed: 8.09 ft at 3:15PM May 03, 2015Observed: 8.07 ft at 3:30PM May 03, 2015Observed: 8.05 ft at 3:45PM May 03, 2015Observed: 8.07 ft at 4:00PM May 03, 2015Observed: 8.04 ft at 4:15PM May 03, 2015Observed: 8.06 ft at 4:30PM May 03, 2015Observed: 8.06 ft at 4:45PM May 03, 2015Observed: 8.07 ft at 5:00PM May 03, 2015Observed: 8.04 ft at 5:15PM May 03, 2015Observed: 8.03 ft at 5:30PM May 03, 2015Observed: 8.04 ft at 5:45PM May 03, 2015Observed: 8.05 ft at 6:00PM May 03, 2015Observed: 8.02 ft at 6:15PM May 03, 2015Observed: 8.02 ft at 6:30PM May 03, 2015Observed: 8.03 ft at 6:45PM May 03, 2015Observed: 8.04 ft at 7:00PM May 03, 2015Observed: 8.03 ft at 7:15PM May 03, 2015Observed: 8.03 ft at 7:30PM May 03, 2015Observed: 8.02 ft at 7:45PM May 03, 2015Observed: 8.01 ft at 8:00PM May 03, 2015Observed: 8.02 ft at 8:15PM May 03, 2015Observed: 8.02 ft at 8:30PM May 03, 2015Observed: 8.03 ft at 8:45PM May 03, 2015Observed: 7.99 ft at 9:00PM May 03, 2015Observed: 8.04 ft at 9:15PM May 03, 2015Observed: 8.02 ft at 9:30PM May 03, 2015Observed: 8.02 ft at 9:45PM May 03, 2015Observed: 8.02 ft at 10:00PM May 03, 2015Forecast: 7.9 ft 1:00AM May 04, 2015Forecast: 7.9 ft 7:00AM May 04, 2015Forecast: 7.8 ft 1:00PM May 04, 2015Forecast: 7.8 ft 7:00PM May 04, 2015Forecast: 7.8 ft 1:00AM May 05, 2015Forecast: 7.8 ft 7:00AM May 05, 2015Forecast: 7.8 ft 1:00PM May 05, 2015Forecast: 7.9 ft 7:00PM May 05, 2015Forecast: 7.9 ft 1:00AM May 06, 2015Forecast: 8 ft 7:00AM May 06, 2015Forecast: 8 ft 1:00PM May 06, 2015Forecast: 8.1 ft 7:00PM May 06, 2015Forecast: 8.1 ft 1:00AM May 07, 2015Forecast: 8.1 ft 7:00AM May 07, 2015Highest Forecast: 8.2 ft 1:00PM May 07, 2015Highest Forecast: 8.2 ft 7:00PM May 07, 2015Highest Forecast: 8.2 ft 1:00AM May 08, 2015Highest Forecast: 8.2 ft 7:00AM May 08, 2015NAPM7(plotting HGIRG) Graph Created (10:47PM May 3, 2015)ObservedForecast (issued 9:36AM May 3)Latest observed value: 8.02 ft at 10:00 PM CDT 3-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 9:33 PM
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