Headline:
Flood Warning issued April 20 at 9:01PM CDT by NWS Chicago IL
Event:
Flood Warning
Urgency:
Immediate
Effective:
April 20, 2026 - 7:01pm
Expires:
April 21, 2026 - 1:15pm
Description:
...The Flood Warning continues for the following rivers in
Illinois...
Illinois River at La Salle affecting La Salle, Bureau and Putnam
Counties.
* WHAT...Minor flooding is occurring and forecasted to continue.
* 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
impact shipping interests along the river.
* ADDITIONAL DETAILS...
- At 8:45 PM CDT Monday the stage was 21.1 feet.
- Forecast...The river is expected to only gradually fall
through the week. It may fall below flood stage by the end of
this week.
- Flood stage is 20.0 feet.
- http://www.weather.gov/safety/flood
Instruction:
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 Tuesday afternoon.
Area Description:
Bureau, IL; La Salle, IL; Putnam, IL
Forcast Office:
NWS Chicago IL
Sender: