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Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at will be replaced by the National Water Prediction Service (NWPS), with a target of March 2024. Existing AHPS content and features will be preserved and expanded within NWPS.

Experimental National Water Center Products: Flood Inundation Mapping services are now available for 10% of the U.S. population. Please visit for more information. The National Hydrologic Discussion, Area Hydrologic Discussion, Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via the URL above, as described in the StoryMap here.

Hydrograph River at a Glance Download
Blue River at 63rd Street Stage (ft)Flow (kcfs)Highest Observation: 5.24 ft at 8:55PM Sep 28, 2023Observed: 5.2 ft at 12:55AM Sep 29, 2023Observed: 5.22 ft at 5:00AM Sep 29, 2023Observed: 5.2 ft at 9:00AM Sep 29, 2023Observed: 5.06 ft at 1:00PM Sep 29, 2023Observed: 4.98 ft at 5:00PM Sep 29, 2023Observed: 5 ft at 9:00PM Sep 29, 2023Observed: 5.02 ft at 5:05AM Sep 30, 2023Observed: 5.06 ft at 9:05AM Sep 30, 2023Observed: 5.02 ft at 1:05PM Sep 30, 2023Observed: 4.96 ft at 5:05PM Sep 30, 2023Observed: 5.02 ft at 9:05PM Sep 30, 2023Observed: 5.08 ft at 1:10AM Oct 01, 2023Observed: 5.06 ft at 5:10AM Oct 01, 2023Observed: 5 ft at 9:10AM Oct 01, 2023Observed: 4.94 ft at 1:10PM Oct 01, 2023USGS--Water Resources of the United StatesKAYM7(plotting HGIRR) Graph Created (5:03PM Oct 1, 2023)ObservedLatest observed value: 4.94 ft at 1:10 PM CDT 1-Oct-2023. Flood Stage is 26 ft
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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 63rd Street are issued as needed during times of high water, but are not routinely available.

Vertical datum height surveyed by the USGS

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Upstream Gauge - at 71 Highway Upstream Gauge Downstream Gauge Downstream Gauge - at Colorado Avenue
Flood Categories (in feet)
Major Flood Stage: 37
Moderate Flood Stage: 33
Flood Stage: 26
Action Stage: 20
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:14
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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
37 Industrial area just downstream of 63rd Street begins to flood.
33 East Gregory Boulevard is flooded.
28 Water reaches railroad tracks just south of Gregory Boulevard.
26 Flood water begins to cover Oldham Road.
20 Backwater from the Blue River begins to flood a low water bridge on Hillcrest Road.
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Latitude: 39.013889° N, Longitude: 94.525000° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 26 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 736.411 ft 762.411 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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Page last modified: 2-Nov-2020 7:29 PM
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