The Flood Advisory is extended for the following rivers in Oklahoma. Arkansas River near Muskogee affecting Muskogee County. * WHAT. Flooding caused by excessive rainfall continues. * WHERE. Arkansas River near Muskogee. * WHEN. Until early Sunday afternoon. * IMPACTS. At 27.0 feet, no flooding occurs but low lying agricultural areas may be threatened. Continue to monitor later forecasts. * ADDITIONAL DETAILS. - At 8:00 PM CDT Wednesday the stage was 27.7 feet. - Forecast. The river is expected to crest tonight around 27.9 feet and will begin falling on Thursday. The river is expected to fall below action stage on Sunday morning. - Action stage is 27.0 feet. - Flood stage is 28.0 feet. - http://www.weather.gov/safety/flood