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Hydrograph River at a Glance Download
Illinois River (AR OK) near Tahlequah Stage (ft)Flow (kcfs)Highest Observation: 4.76 ft at 4:00AM Dec 04, 2016Observed: 4.75 ft at 5:00AM Dec 04, 2016Highest Observation: 4.76 ft at 6:00AM Dec 04, 2016Highest Observation: 4.76 ft at 7:00AM Dec 04, 2016Highest Observation: 4.76 ft at 8:00AM Dec 04, 2016Highest Observation: 4.76 ft at 9:00AM Dec 04, 2016Highest Observation: 4.76 ft at 10:00AM Dec 04, 2016Highest Observation: 4.76 ft at 11:00AM Dec 04, 2016Highest Observation: 4.76 ft at 12:00PM Dec 04, 2016Highest Observation: 4.76 ft at 1:00PM Dec 04, 2016Highest Observation: 4.76 ft at 2:00PM Dec 04, 2016Highest Observation: 4.76 ft at 3:00PM Dec 04, 2016Highest Observation: 4.76 ft at 4:00PM Dec 04, 2016Highest Observation: 4.76 ft at 5:00PM Dec 04, 2016Highest Observation: 4.76 ft at 6:00PM Dec 04, 2016Observed: 4.75 ft at 7:00PM Dec 04, 2016Observed: 4.75 ft at 8:00PM Dec 04, 2016Observed: 4.75 ft at 9:00PM Dec 04, 2016Observed: 4.75 ft at 10:00PM Dec 04, 2016Observed: 4.75 ft at 11:00PM Dec 04, 2016Observed: 4.75 ft at 12:00AM Dec 05, 2016Observed: 4.74 ft at 1:00AM Dec 05, 2016Observed: 4.74 ft at 2:00AM Dec 05, 2016Observed: 4.74 ft at 3:00AM Dec 05, 2016Observed: 4.74 ft at 4:00AM Dec 05, 2016Observed: 4.74 ft at 5:00AM Dec 05, 2016Observed: 4.74 ft at 6:00AM Dec 05, 2016Observed: 4.74 ft at 7:00AM Dec 05, 2016Observed: 4.75 ft at 8:00AM Dec 05, 2016Observed: 4.75 ft at 9:00AM Dec 05, 2016Observed: 4.75 ft at 10:00AM Dec 05, 2016Observed: 4.75 ft at 11:00AM Dec 05, 2016Observed: 4.75 ft at 12:00PM Dec 05, 2016Observed: 4.75 ft at 1:00PM Dec 05, 2016Highest Observation: 4.76 ft at 2:00PM Dec 05, 2016Observed: 4.75 ft at 3:00PM Dec 05, 2016Observed: 4.75 ft at 4:00PM Dec 05, 2016Observed: 4.75 ft at 5:00PM Dec 05, 2016Observed: 4.75 ft at 6:00PM Dec 05, 2016Observed: 4.75 ft at 7:00PM Dec 05, 2016Observed: 4.75 ft at 8:00PM Dec 05, 2016Observed: 4.75 ft at 9:00PM Dec 05, 2016Observed: 4.75 ft at 10:00PM Dec 05, 2016Observed: 4.75 ft at 11:00PM Dec 05, 2016Observed: 4.75 ft at 12:00AM Dec 06, 2016Observed: 4.75 ft at 1:00AM Dec 06, 2016Observed: 4.75 ft at 2:00AM Dec 06, 2016Observed: 4.75 ft at 3:00AM Dec 06, 2016Observed: 4.75 ft at 4:00AM Dec 06, 2016Observed: 4.75 ft at 5:00AM Dec 06, 2016Observed: 4.75 ft at 6:00AM Dec 06, 2016Observed: 4.75 ft at 7:00AM Dec 06, 2016Observed: 4.75 ft at 8:00AM Dec 06, 2016Observed: 4.75 ft at 9:00AM Dec 06, 2016Observed: 4.75 ft at 10:00AM Dec 06, 2016Observed: 4.75 ft at 11:00AM Dec 06, 2016Observed: 4.75 ft at 1:00PM Dec 06, 2016Observed: 4.75 ft at 2:00PM Dec 06, 2016Observed: 4.75 ft at 3:00PM Dec 06, 2016Observed: 4.74 ft at 4:00PM Dec 06, 2016Observed: 4.75 ft at 5:00PM Dec 06, 2016Observed: 4.74 ft at 6:00PM Dec 06, 2016Observed: 4.75 ft at 7:00PM Dec 06, 2016Observed: 4.74 ft at 8:00PM Dec 06, 2016Observed: 4.74 ft at 9:00PM Dec 06, 2016Observed: 4.74 ft at 10:00PM Dec 06, 2016Observed: 4.74 ft at 11:00PM Dec 06, 2016Observed: 4.74 ft at 12:00AM Dec 07, 2016Observed: 4.74 ft at 1:00AM Dec 07, 2016Observed: 4.74 ft at 2:00AM Dec 07, 2016Observed: 4.73 ft at 3:00AM Dec 07, 2016Observed: 4.73 ft at 4:00AM Dec 07, 2016Observed: 4.74 ft at 5:00AM Dec 07, 2016Observed: 4.74 ft at 6:00AM Dec 07, 2016Observed: 4.74 ft at 7:00AM Dec 07, 2016Observed: 4.74 ft at 8:00AM Dec 07, 2016Observed: 4.73 ft at 9:00AM Dec 07, 2016Observed: 4.74 ft at 10:00AM Dec 07, 2016Observed: 4.74 ft at 11:00AM Dec 07, 2016Observed: 4.74 ft at 12:00PM Dec 07, 2016Observed: 4.74 ft at 1:00PM Dec 07, 2016Observed: 4.73 ft at 2:00PM Dec 07, 2016Observed: 4.74 ft at 3:00PM Dec 07, 2016Observed: 4.74 ft at 4:00PM Dec 07, 2016Observed: 4.74 ft at 5:00PM Dec 07, 2016Observed: 4.73 ft at 6:00PM Dec 07, 2016Observed: 4.74 ft at 7:00PM Dec 07, 2016Observed: 4.74 ft at 8:00PM Dec 07, 2016Observed: 4.74 ft at 9:00PM Dec 07, 2016Observed: 4.73 ft at 10:00PM Dec 07, 2016Observed: 4.73 ft at 11:00PM Dec 07, 2016Observed: 4.73 ft at 12:00AM Dec 08, 2016Observed: 4.73 ft at 1:00AM Dec 08, 2016Observed: 4.73 ft at 2:00AM Dec 08, 2016Observed: 4.73 ft at 3:00AM Dec 08, 2016Observed: 4.74 ft at 4:00AM Dec 08, 2016Observed: 4.73 ft at 5:00AM Dec 08, 2016Observed: 4.73 ft at 6:00AM Dec 08, 2016Observed: 4.73 ft at 7:00AM Dec 08, 2016Observed: 4.74 ft at 8:00AM Dec 08, 2016Observed: 4.74 ft at 9:00AM Dec 08, 2016Observed: 4.74 ft at 10:00AM Dec 08, 2016Observed: 4.74 ft at 11:00AM Dec 08, 2016Observed: 4.75 ft at 12:00PM Dec 08, 2016Observed: 4.75 ft at 1:00PM Dec 08, 2016Observed: 4.75 ft at 2:00PM Dec 08, 2016Observed: 4.75 ft at 3:00PM Dec 08, 2016Observed: 4.75 ft at 4:00PM Dec 08, 2016Observed: 4.75 ft at 5:00PM Dec 08, 2016Observed: 4.75 ft at 6:00PM Dec 08, 2016Observed: 4.75 ft at 7:00PM Dec 08, 2016Observed: 4.75 ft at 8:00PM Dec 08, 2016Observed: 4.74 ft at 9:00PM Dec 08, 2016Observed: 4.75 ft at 10:00PM Dec 08, 2016Observed: 4.74 ft at 11:00PM Dec 08, 2016Observed: 4.74 ft at 12:00AM Dec 09, 2016Observed: 4.74 ft at 1:00AM Dec 09, 2016Highest Observation: 4.76 ft at 2:00AM Dec 09, 2016Highest Forecast: 4.7 ft 6:00AM Dec 09, 2016Highest Forecast: 4.7 ft 12:00PM Dec 09, 2016Highest Forecast: 4.7 ft 6:00PM Dec 09, 2016Highest Forecast: 4.7 ft 12:00AM Dec 10, 2016Highest Forecast: 4.7 ft 6:00AM Dec 10, 2016Highest Forecast: 4.7 ft 12:00PM Dec 10, 2016Highest Forecast: 4.7 ft 6:00PM Dec 10, 2016Highest Forecast: 4.7 ft 12:00AM Dec 11, 2016Highest Forecast: 4.7 ft 6:00AM Dec 11, 2016Highest Forecast: 4.7 ft 12:00PM Dec 11, 2016Highest Forecast: 4.7 ft 6:00PM Dec 11, 2016Highest Forecast: 4.7 ft 12:00AM Dec 12, 2016Highest Forecast: 4.7 ft 6:00AM Dec 12, 2016Highest Forecast: 4.7 ft 12:00PM Dec 12, 2016Highest Forecast: 4.7 ft 6:00PM Dec 12, 2016Highest Forecast: 4.7 ft 12:00AM Dec 13, 2016Highest Forecast: 4.7 ft 6:00AM Dec 13, 2016USGS--Water Resources of the United StatesTALO2(plotting HGIRG) Graph Created (3:36AM Dec 9, 2016)ObservedForecast (issued 7:37AM Dec 8)Latest observed value: 4.76 ft at 2:00 AM CST 9-Dec-2016. Flood Stage is 11 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CST)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 30 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Illinois River (AR OK) near Tahlequah are issued routinely year-round.

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Upstream Gauge - near Watts Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 18
Moderate Flood Stage: 14
Flood Stage: 11
Action Stage: 9
Low Stage (in feet): -9999

Historic Crests
(1) 30.69 ft on 12/28/2015
(2) 27.94 ft on 05/10/1950
(3) 26.00 ft on 01/01/1916
(4) 25.97 ft on 04/26/2011
(5) 25.37 ft on 05/11/1943
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 8.95 ft on 05/26/2016
(2) 30.69 ft on 12/28/2015
(3) 13.23 ft on 12/15/2015 (P)
(4) 12.65 ft on 11/29/2015
(5) 10.32 ft on 11/18/2015 (P)
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:14
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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
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31 devastating flooding occurs along the Illinois River from near Hanging Rock to the headwaters of Lake Tenkiller. Impacts will be similar to the record flood of 30.7 feet in December 2015. State Highway 10 is closed northeast of its intersection with Highway 51. Many cabins and parks are severely flooded or are totally isolated for an extended duration. This is a very dangerous and life threatening situation.
29 devastating flooding occurs along the Illinois River from near Hanging Rock to the headwaters of Lake Tenkiller. State Highway 10 is closed northeast of its intersection with Highway 51. Many cabins and parks are severely flooded or are totally isolated for an extended duration. This is a very dangerous and life threatening situation. This will approach the record flood of 30.7 feet in December 2015.
27 devastating flooding occurs along the Illinois River from near Hanging Rock to the headwaters of Lake Tenkiller. State Highway 10 is closed northeast of its intersection with Highway 51. Many cabins and parks are severely flooded or are totally isolated for an extended duration. This is a very dangerous and life threatening situation. This will exceed the April 2011 flood of 26 feet and approach the May 1950 flood of 27.9 feet.
25 devastating flooding occurs along the Illinois River from near Hanging Rock to the headwaters of Lake Tenkiller. State Highway 10 is closed northeast of its intersection with Highway 51. Many cabins and parks are severely flooded or are totally isolated for an extended duration. This is a very dangerous and life threatening situation. This will approach the April 2011 flood, which reached 26 feet.
23 extremely severe flooding occurs along the Illinois River from near Hanging Rock to the headwaters of Lake Tenkiller. State Highway 10 is closed northeast of its intersection with Highway 62. Several cabins and parks are severely flooded and many others are isolated for an extended duration. This is a very dangerous and life threatening situation.
21 very severe flooding occurs from near Hanging Rock downstream towards Tahlequah. State Highway 10 is closed between Hanging Rock and No Head Hollow north of the Highway 10 intersection with Highway 62. Several cabins and parks are severely flooded and many others are isolated. This is a very dangerous and life threatening situation.
19 severe flooding occurs from near Hanging Rock downstream towards Tahlequah. State Highway 10 near Hanging Rock and near No Head Hollow north of the intersection with Highway 62 is impassable. Some cabins and parks are severely flooded. This is a very dangerous situation.
18 severe flooding occurs from near Hanging Rock downstream towards Tahlequah. Highway 10 near Hanging Rock northeast of Tahlequah is impassable. Some cabins and parks are severely flooded. This is a very dangerous situation.
17 severe flooding occurs from Hanging Rock downstream towards Tahlequah. Access roads east of Combs Bridge near Eagles Bluff are impassable. Some cabins and parks may be flooded to a depth of a couple of feet.
15 moderate flooding occurs from Hanging Rock downstream towards Tahlequah. Access roads east of the Combs Bridge near Eagles Bluff are impassable. Some cabins and parks may begin to flood.
14 moderate flooding occurs from Hanging Rock downstream towards Tahlequah. Access roads east of the Combs Bridge near Eagles Bluff will be impassable. Extreme turbulence makes the river too hazardous for floating.
13 minor flooding occurs from near Hanging Rock downstream towards Tahlequah. Access roads east of the Combs Bridge near Eagles Bluff may be threatened. Extreme turbulence makes the river too hazardous for floating.
12 minor flooding occurs from near Hanging Rock downstream towards Tahlequah. Extreme turbulence makes the river too hazardous for floating.
11 minor flooding occurs from near Hanging Rock downstream towards Tahlequah. Floating the river is too hazardous due to strong turbulence.
9 no flooding occurs but all recreational floating along the Illinois River ceases at and above 9.5 feet.
Photos
(1) upstream
(2) downstream
About This Location Collapse

Latitude: 35.925833° N, Longitude: 94.922500° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 11 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 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 664.14 ft 675.14 ft 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.
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Page last modified: 13-Aug-2015 2:15 AM
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