Illinois Severe Flood Warning | Effective 06/21/2026 09:18
...The Flood Warning is extended for the following rivers in
Illinois...
Illinois River at La Salle affecting Putnam, La Salle and Bureau
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 further notice.
* IMPACTS...At 22.0 feet, Lower parking lot at Starved Rock State
Park is inundated east of La Salle. High water levels begin to