Illinois Flood Watch | Effective 04/27/2026 19:43
...The Flood Watch continues for the following rivers in Illinois...
Illinois River at La Salle affecting Bureau, Putnam and La Salle<br />
zones.
* WHAT...Flooding is possible.
* WHERE...Illinois River from Starved Rock Lock and Dam downstream<br />
to confluence with Big Bureau Creek, including the La Salle gauge.
* WHEN...From Tuesday evening to early Saturday morning.
* IMPACTS...At 22.0 feet, Lower parking lot at Starved Rock State<br />
Park is inundated east of La Salle. High water levels begin to<br />
impact shipping interests along the river.