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Hydrograph River at a Glance Download
Little Blue River (MO) at Knobtown Stage (ft)Flow (kcfs)Observed: 7.76 ft at 6:25AM Sep 23, 2020Highest Observation: 7.77 ft at 10:25AM Sep 23, 2020Observed: 7.65 ft at 10:45AM Sep 23, 2020Observed: 7.76 ft at 12:25PM Sep 23, 2020Observed: 7.66 ft at 12:35PM Sep 23, 2020Observed: 7.76 ft at 1:00PM Sep 23, 2020Observed: 7.66 ft at 1:15PM Sep 23, 2020Observed: 7.76 ft at 2:10PM Sep 23, 2020Observed: 7.72 ft at 2:25PM Sep 23, 2020Observed: 7.74 ft at 6:25PM Sep 23, 2020Observed: 7.69 ft at 10:25PM Sep 23, 2020Observed: 7.64 ft at 2:25AM Sep 24, 2020Observed: 7.62 ft at 6:25AM Sep 24, 2020Observed: 7.58 ft at 10:25AM Sep 24, 2020Observed: 7.52 ft at 2:25PM Sep 24, 2020Observed: 7.55 ft at 6:25PM Sep 24, 2020Observed: 7.59 ft at 10:25PM Sep 24, 2020Observed: 7.58 ft at 2:25AM Sep 25, 2020Observed: 7.53 ft at 6:25AM Sep 25, 2020Observed: 7.52 ft at 10:25AM Sep 25, 2020Observed: 7.5 ft at 2:25PM Sep 25, 2020Observed: 7.62 ft at 6:20PM Sep 25, 2020Observed: 7.58 ft at 6:25PM Sep 25, 2020Observed: 7.72 ft at 8:20PM Sep 25, 2020Observed: 7.62 ft at 8:25PM Sep 25, 2020Observed: 7.52 ft at 8:30PM Sep 25, 2020Observed: 7.68 ft at 8:40PM Sep 25, 2020Observed: 7.54 ft at 8:45PM Sep 25, 2020Observed: 7.64 ft at 9:05PM Sep 25, 2020Observed: 7.6 ft at 10:25PM Sep 25, 2020Observed: 7.58 ft at 2:25AM Sep 26, 2020KBNM7(plotting HGIRR) Graph Created (4:03AM Sep 26, 2020)ObservedLatest observed value: 7.58 ft at 2:25 AM CDT 26-Sep-2020. Flood Stage is 27 ft
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Tabular Data (UTC)
Tabular Data (CDT)
XML Data
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Datum: Not Available
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 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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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.
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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: 1-Mar-2019 12:34 AM
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