The Flood Warning is extended for the following rivers in Oklahoma. Illinois River near Tahlequah affecting Cherokee County. * WHAT. Moderate flooding is forecast. * WHERE. Illinois River near Tahlequah. * WHEN. From Sunday evening to Tuesday evening. * IMPACTS. At 15.0 feet, 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. * ADDITIONAL DETAILS. - At 8:30 PM CDT Saturday the stage was 7.1 feet. - Forecast. The river is expected to rise above flood stage Sunday evening to a crest of 16.0 feet Monday evening. This forecast only includes the next 24 hours of forecast rainfall, and interests along the river should continue to monitor updates to this forecast as higher river levels are possible with several rounds of rain expected through Monday. - Flood stage is 11.0 feet. - http://www.weather.gov/safety/flood