41°17'N / 89°3'O / Altitud 188 m / 16:58 05/04/2026, America/Chicago (UTC-5)
del: 05/04/2026, 11:44
a: 06/04/2026, 05:45
...The Flood Warning continues for the following rivers in Illinois... Illinois River at Ottawa affecting La Salle County. Illinois River at La Salle affecting Putnam, Bureau and La Salle Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River from Starved Rock Lock and Dam downstream to confluence with Big Bureau Creek, including the La Salle gauge. * WHEN...Until Friday afternoon. * IMPACTS...At 22.0 feet, Lower parking lot at Starved Rock State Park is inundated east of La Salle. High water levels begin to impact shipping interests along the river. * ADDITIONAL DETAILS... - At 10:45 AM CDT Sunday the stage was 23.4 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:45 AM CDT Sunday was 23.4 feet. - Forecast...The river is expected to rise to a crest of 23.6 feet this evening. It will then fall below flood stage late Friday morning. - Flood stage is 20.0 feet. - http://www.weather.gov/safety/flood
Bureau; Putnam; La Salle
A Flood Warning means water levels above flood stage are imminent or
may already be occurring. Persons along rivers and streams in the
warned area should take immediate precautions to protect life and
property.
These forecasts are based on observed precipitation as well as
forecast precipitation 24 hours into the future. Changes to the
rainfall forecast, or any additional rainfall after 24 hours, may
cause changes to these river forecasts.
Additional information is available at www.weather.gov.
The next statement will be issued by late tonight.
NWS Chicago IL
05/04/2026, 11:44