...The Flood Watch continues for the following rivers in Illinois... Fox River at Algonquin Lock & Dam tailwater affecting Kane, McHenry and Lake IL Counties. ...The Flood Watch is extended for the following rivers in Illinois... Des Plaines River at Lincolnshire affecting Northern Cook and Lake IL zones. For the Fox River (Illinois)...including Algonquin Lock & Dam tailwater, Montgomery, Dayton...flooding is possible. * WHAT...Flooding is possible. * WHERE...Fox River from Johnsburg downs