Skip Navigation Link  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left
Bookmark and Share Navigation Bar End Cap

Hydrograph River at a Glance Download
Blue River at 71 Highway Stage (ft)Flow (kcfs)Observed: 2.26 ft at 1:30PM Sep 20, 2021Observed: 2.3 ft at 5:30PM Sep 20, 2021Observed: 2.42 ft at 8:00PM Sep 20, 2021Observed: 2.52 ft at 8:10PM Sep 20, 2021Observed: 2.62 ft at 8:20PM Sep 20, 2021Observed: 2.78 ft at 8:25PM Sep 20, 2021Observed: 2.9 ft at 8:30PM Sep 20, 2021Observed: 3.04 ft at 8:40PM Sep 20, 2021Observed: 3.14 ft at 8:45PM Sep 20, 2021Observed: 3.24 ft at 8:55PM Sep 20, 2021Observed: 3.34 ft at 9:00PM Sep 20, 2021Observed: 3.48 ft at 9:30PM Sep 20, 2021Observed: 3.58 ft at 9:35PM Sep 20, 2021Observed: 3.74 ft at 9:40PM Sep 20, 2021Observed: 3.94 ft at 9:45PM Sep 20, 2021Observed: 4.14 ft at 9:50PM Sep 20, 2021Observed: 4.34 ft at 9:55PM Sep 20, 2021Observed: 4.54 ft at 10:00PM Sep 20, 2021Observed: 4.64 ft at 10:05PM Sep 20, 2021Observed: 4.78 ft at 10:15PM Sep 20, 2021Observed: 4.92 ft at 10:20PM Sep 20, 2021Observed: 5.02 ft at 10:25PM Sep 20, 2021Observed: 5.14 ft at 10:35PM Sep 20, 2021Highest Observation: 5.24 ft at 10:45PM Sep 20, 2021Observed: 5.14 ft at 11:05PM Sep 20, 2021Observed: 5.04 ft at 11:25PM Sep 20, 2021Observed: 4.94 ft at 11:40PM Sep 20, 2021Observed: 4.78 ft at 11:55PM Sep 20, 2021Observed: 4.66 ft at 12:10AM Sep 21, 2021Observed: 4.56 ft at 12:25AM Sep 21, 2021Observed: 4.46 ft at 12:35AM Sep 21, 2021Observed: 4.34 ft at 12:45AM Sep 21, 2021Observed: 4.22 ft at 1:05AM Sep 21, 2021Observed: 4.12 ft at 1:30AM Sep 21, 2021Observed: 4.02 ft at 1:50AM Sep 21, 2021Observed: 3.9 ft at 2:35AM Sep 21, 2021Observed: 3.8 ft at 3:30AM Sep 21, 2021Observed: 3.7 ft at 4:05AM Sep 21, 2021Observed: 3.6 ft at 4:40AM Sep 21, 2021Observed: 3.48 ft at 5:30AM Sep 21, 2021Observed: 3.5 ft at 5:35AM Sep 21, 2021Observed: 3.38 ft at 6:10AM Sep 21, 2021Observed: 3.28 ft at 7:55AM Sep 21, 2021Observed: 3.18 ft at 8:50AM Sep 21, 2021Observed: 3.14 ft at 9:15AM Sep 21, 2021Observed: 3.1 ft at 9:30AM Sep 21, 2021Observed: 2.98 ft at 10:35AM Sep 21, 2021Observed: 2.86 ft at 12:00PM Sep 21, 2021Observed: 2.84 ft at 1:30PM Sep 21, 2021Observed: 2.74 ft at 2:20PM Sep 21, 2021Observed: 2.62 ft at 4:45PM Sep 21, 2021Observed: 2.66 ft at 5:30PM Sep 21, 2021Observed: 2.66 ft at 9:30PM Sep 21, 2021Observed: 2.7 ft at 10:40PM Sep 21, 2021Observed: 2.6 ft at 12:15AM Sep 22, 2021Observed: 2.6 ft at 1:30AM Sep 22, 2021Observed: 2.62 ft at 5:30AM Sep 22, 2021Observed: 2.52 ft at 5:40AM Sep 22, 2021Observed: 2.42 ft at 8:15AM Sep 22, 2021Observed: 2.44 ft at 9:30AM Sep 22, 2021Observed: 2.34 ft at 1:00PM Sep 22, 2021Observed: 2.46 ft at 1:05PM Sep 22, 2021Observed: 2.48 ft at 1:30PM Sep 22, 2021Observed: 2.48 ft at 5:30PM Sep 22, 2021Observed: 2.58 ft at 8:40PM Sep 22, 2021Observed: 2.58 ft at 9:30PM Sep 22, 2021Observed: 2.62 ft at 1:30AM Sep 23, 2021Observed: 2.62 ft at 1:50AM Sep 23, 2021Observed: 2.56 ft at 5:30AM Sep 23, 2021Observed: 2.54 ft at 6:45AM Sep 23, 2021Observed: 2.44 ft at 8:10AM Sep 23, 2021Observed: 2.4 ft at 9:30AM Sep 23, 2021KNYM7(plotting HGIRR) Graph Created (10:33AM Sep 23, 2021)ObservedLatest observed value: 2.4 ft at 9:30 AM CDT 23-Sep-2021. Flood Stage is 27 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NAVD88
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: Forecasts for the Blue River at 71 Highway are issued as needed during times of high water, but are not routinely available.

Vertical datum height surveyed by the USGS

Return to Area Map
Upstream Gauge - at Bannister Road Upstream Gauge Downstream Gauge Downstream Gauge - at 63rd Street
Flood Categories (in feet)
Major Flood Stage: 38
Moderate Flood Stage: 36
Flood Stage: 27
Action Stage: 22
Low Stage (in feet): -9999

Historic Crests

(P): Preliminary values subject to further review.

Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to

Zoom Level:15
KML Image
Gauge LocationGauge Map Marker
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
38 Significant flooding of structures unprotected by levees.
36 85th Street begins to flood.
27 Flooding begins to affect South Hickman Mills Road and Blue River Road.
About This Location Collapse

Latitude: 38.972222° N, Longitude: 94.547778° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 27 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
(gauge height = flood stage)
Elevation information source
NAVD88 751.157 ft 778.157 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  
Additional Information Collapse
How low could the river get?
Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
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
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:29 PM
Privacy Policy
About Us
Career Opportunities