Flood Watch issued September 20 at 10:20AM CDT until September 23 at 10:00AM CDT by NWS Chicago IL
Issue date: 2026-09-20T15:20+00:00
...The National Weather Service in Chicago has issued a Flood Watch for the following rivers in Illinois... Illinois River at La Salle affecting Putnam, La Salle and Bureau counties. For the Illinois River (Upper)...including Morris, Ottawa, La Salle...flooding is possible. * WHAT...Flooding is possible. * WHERE...Illinois River from Starved Rock Lock and Dam downstream to confluence with Big Bureau Creek, including the La Salle gauge. * WHEN...From Monday morning to Wednesday morning. * ADDITIONAL DETAILS... - At 9:45 AM CDT Sunday the stage was 13.4 feet. - Forecast...Flood stage may be reached Monday afternoon. - Flood stage is 20.0 feet. - http://www.weather.gov/safety/flood
Flood Warning issued September 20 at 9:28AM CDT until September 23 at 1:00AM CDT by NWS Chicago IL
Issue date: 2026-09-20T14:28+00:00
...The Flood Warning is extended for the following rivers in Illinois... Fox River at Dayton affecting La Salle County. * WHAT...Moderate flooding is forecast. * WHERE...Fox River from Millington downstream to confluence with the Illinois River, including the Dayton gauge. * WHEN...From this afternoon to late Tuesday night. * IMPACTS...At 14.5 feet, Low-lying agricultural land inundated near Norway. * ADDITIONAL DETAILS... - At 8:45 AM CDT Sunday the stage was 9.6 feet. - Forecast...The river is expected to rise above flood stage this afternoon to a crest of 14.9 feet Monday morning. It will then fall below flood stage Tuesday afternoon. - Flood stage is 12.0 feet. - http://www.weather.gov/safety/flood
