Illinois - United States   2026-04-17   Friday   41.78N, -89.69W

Rock Falls

Illinois - United States
2026-04-17

Flood Warning issued April 16 at 8:50PM CDT by NWS Quad Cities IA IL

Issue date: 2026-04-17T01:50+00:00

...The Flood Warning is extended for the following rivers in Iowa... Illinois... Cedar River near Conesville affecting Muscatine and Louisa Counties. Iowa River at Marengo affecting Benton and Iowa Counties. Iowa River at Wapello affecting Louisa County. Rock River near Joslin affecting Rock Island, Whiteside and Henry IL Counties. ...The Flood Warning continues for the following rivers in Iowa... Illinois... Iowa River at Oakville affecting Louisa County. Rock River at Como affecting Whiteside County. Rock River at Moline affecting Rock Island and Henry IL Counties. ...The Flood Warning is cancelled for the following rivers in Iowa... English River at Kalona affecting Johnson and Washington Counties. * WHAT...Moderate flooding is forecast. * WHERE...Rock River near Joslin. * WHEN...From late tonight until further notice. * IMPACTS...At 15.0 feet, Water affects residences in the Thompson addition. * ADDITIONAL DETAILS... - At 7:45 PM CDT Thursday the stage was 11.2 feet. - Forecast...The river is expected to rise above flood stage late tonight and continue rising to a crest of 15.0 feet Sunday evening. - Flood stage is 12.0 feet.