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  NOTICE:There is a service interruption for a number of stream gauges nationwide due to the Global Positioning System (GPS) Rollover that occurred on April 6 at 23:59 GMT. The National Weather Service is working with federal, state, and local partners to ensure those affected gauges obtain the necessary updates to resume data transmission. We apologize for the service interruption and hope to have the data restored as soon as possible.

Hydrograph River at a Glance Download
Little Blue River (MO) at Knobtown Stage (ft)Flow (kcfs)Observed: 9.1 ft at 6:03AM Apr 15, 2019Observed: 9.08 ft at 10:03AM Apr 15, 2019Observed: 8.98 ft at 12:33PM Apr 15, 2019Observed: 8.88 ft at 1:03PM Apr 15, 2019Observed: 8.76 ft at 1:28PM Apr 15, 2019Observed: 8.65 ft at 1:48PM Apr 15, 2019Observed: 8.6 ft at 2:03PM Apr 15, 2019Observed: 8.47 ft at 2:23PM Apr 15, 2019Observed: 8.36 ft at 2:48PM Apr 15, 2019Observed: 8.14 ft at 3:48PM Apr 15, 2019Observed: 8.04 ft at 4:28PM Apr 15, 2019Observed: 7.92 ft at 4:53PM Apr 15, 2019Observed: 7.86 ft at 6:03PM Apr 15, 2019Observed: 7.76 ft at 7:58PM Apr 15, 2019Observed: 7.85 ft at 10:03PM Apr 15, 2019Observed: 7.96 ft at 11:13PM Apr 15, 2019Observed: 8.06 ft at 12:28AM Apr 16, 2019Observed: 8.11 ft at 2:03AM Apr 16, 2019Observed: 8.1 ft at 6:03AM Apr 16, 2019Observed: 7.98 ft at 7:43AM Apr 16, 2019Observed: 8.11 ft at 7:48AM Apr 16, 2019Observed: 8.12 ft at 10:03AM Apr 16, 2019Observed: 8.1 ft at 2:03PM Apr 16, 2019Observed: 8.07 ft at 6:03PM Apr 16, 2019Observed: 8.14 ft at 10:03PM Apr 16, 2019Observed: 8.11 ft at 2:03AM Apr 17, 2019Observed: 8.09 ft at 6:03AM Apr 17, 2019Observed: 8.1 ft at 10:03AM Apr 17, 2019Observed: 8.1 ft at 2:03PM Apr 17, 2019Observed: 8.1 ft at 6:03PM Apr 17, 2019Observed: 8.2 ft at 10:03PM Apr 17, 2019Observed: 8.3 ft at 10:23PM Apr 17, 2019Observed: 8.42 ft at 10:43PM Apr 17, 2019Observed: 8.54 ft at 11:13PM Apr 17, 2019Observed: 8.73 ft at 11:33PM Apr 17, 2019Observed: 8.85 ft at 11:38PM Apr 17, 2019Observed: 8.97 ft at 11:43PM Apr 17, 2019Observed: 9.1 ft at 11:48PM Apr 17, 2019Observed: 9.2 ft at 11:53PM Apr 17, 2019Observed: 9.34 ft at 11:58PM Apr 17, 2019Observed: 9.52 ft at 12:08AM Apr 18, 2019Observed: 9.72 ft at 12:18AM Apr 18, 2019Observed: 9.82 ft at 12:23AM Apr 18, 2019Observed: 9.98 ft at 12:33AM Apr 18, 2019Observed: 10.32 ft at 12:53AM Apr 18, 2019Observed: 10.51 ft at 1:03AM Apr 18, 2019Observed: 10.69 ft at 1:13AM Apr 18, 2019Observed: 10.79 ft at 1:18AM Apr 18, 2019Observed: 10.95 ft at 1:28AM Apr 18, 2019Observed: 11.09 ft at 1:38AM Apr 18, 2019Observed: 11.36 ft at 1:58AM Apr 18, 2019Observed: 11.41 ft at 2:03AM Apr 18, 2019Observed: 11.51 ft at 2:13AM Apr 18, 2019Observed: 11.64 ft at 2:28AM Apr 18, 2019Observed: 11.75 ft at 2:48AM Apr 18, 2019Highest Observation: 11.86 ft at 3:18AM Apr 18, 2019Observed: 11.76 ft at 4:43AM Apr 18, 2019Observed: 11.66 ft at 5:08AM Apr 18, 2019KBNM7(plotting HGIRR) Graph Created (5:32AM Apr 18, 2019)ObservedLatest observed value: 11.66 ft at 5:08 AM CDT 18-Apr-2019. Flood Stage is 27 ft
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Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
NOTE: Gauge reading may be affected by ice during freezing weather from November to April.

NOTE: Forecasts for the Little Blue River (MO) at Knobtown are issued as needed during times of high water, but are not routinely available.

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Downstream Gauge Downstream Gauge - near Lake City
Flood Categories (in feet)
Major Flood Stage: 34
Moderate Flood Stage: 29
Flood Stage: 27
Action Stage: 21
Low Stage (in feet): 0

Historic Crests
(1) 36.50 ft on 10/02/1986
(2) 30.70 ft on 05/19/2004 (P)

(P): Preliminary values subject to further review.

Recent Crests
(1) 30.70 ft on 05/19/2004 (P)
(2) 36.50 ft on 10/02/1986

(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
34 Businesses along 350 Highway at Knobtown begin to flood.
31.7 The eastbound lane of 350 Highway at Knobtown is overtopped.
30 Baseball fields at the Little Blue Trace Recreation Area flood.
28 Buildings along Little Blue Road in the Little Blue Community are threatened by flooding.
27 Low-lying areas adjacent to the river flood.
About This Location Collapse

Latitude: 38.964167° N, Longitude: 94.426667° 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 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 766.71 ft 793.71 ft 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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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: 4-Mar-2019 11:29 PM
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