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This probabilistic forecast is issued by the Arkansas Red-Basin River Forecast Center.
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About this graph
Forecasts for the Illinois River (AR OK) near Tahlequah are issued routinely year-round.
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Upstream Gauge - near Watts Upstream Gauge
Zoom Level:14
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) 29.29 ft on 04/30/2017
(3) 27.94 ft on 05/10/1950
(4) 27.53 ft on 05/06/2022
(5) 26.00 ft on 01/01/1916
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 12.75 ft on 03/25/2023
(2) 9.45 ft on 03/09/2023
(3) 12.87 ft on 03/04/2023
(4) 11.18 ft on 02/09/2023 (P)
(5) 9.17 ft on 06/11/2022
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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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
If you notice any errors in the below information, please contact our Webmaster
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. Extreme turbulence makes the river too hazardous for floating.
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. Extreme turbulence makes the river too hazardous for floating.
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. Extreme turbulence makes the river too hazardous for floating.
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

Other Real-time and/or Archive Data Sources:

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.
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(918) 838-7838
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Page last modified: 2-Nov-2020 7:29 PM
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