...The Flood Warning is extended for the following rivers in Kansas... Smoky Hill River At Lindsborg affecting McPherson County. Smoky Hill River Near Mentor affecting McPherson and Saline Counties. * WHAT...Minor flooding is forecast. * WHERE...Smoky Hill River near Mentor. * WHEN...From late tonight to Thursday morning. * IMPACTS...At 24.0 feet, Some low lying rural county roads begin to flood along with extensive field flooding. * ADDITIONAL DETAILS... - At 7:45 PM CDT Tuesday the stage was 15.6 feet. - Forecast...The river is expected to rise above flood stage late tonight to a crest of 23.2 feet early tomorrow afternoon. It will then fall below flood stage tomorrow evening. - Flood stage is 20.0 feet.