Illinois - United States   2026-05-07   Thursday   40.20N, -89.70W

Mason City

Illinois - United States
2026-05-07

Flood Warning issued May 7 at 10:48AM CDT until May 13 at 1:00PM CDT by NWS Lincoln IL

Issue date: 2026-05-07T15:48+00:00

...The Flood Warning continues for the following rivers in Illinois... Illinois River near Havana affecting Cass, Fulton and Mason Counties. Illinois River at Beardstown affecting Cass, Schuyler, Brown and Morgan Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River near Havana. * WHEN...Until early Wednesday afternoon. * IMPACTS...At 14.0 feet, Minor flooding begins to agricultural areas not protected by levees. * ADDITIONAL DETAILS... - At 9:45 AM CDT Thursday the stage was 15.6 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:45 AM CDT Thursday was 15.9 feet. - Forecast...The river is expected to fall below flood stage Wednesday morning and continue falling to 13.7 feet Thursday, May 14. - Flood stage is 14.0 feet. - http://www.weather.gov/safety/flood