Headline:
Flood Warning issued April 17 at 1:46PM CDT by NWS Chicago IL
Event:
Flood Warning
Urgency:
Expected
Effective:
April 17, 2026 - 11:46am
Expires:
April 18, 2026 - 6:00am
Description:
...The National Weather Service in Chicago IL has issued a Flood
Warning for the following rivers in Illinois...
Illinois River at La Salle affecting La Salle, Bureau and Putnam
Counties.
For the Illinois River (Upper)...including Ottawa, La Salle...Minor
flooding is forecast.
* WHAT...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...From Saturday morning 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 12:45 PM CDT Friday the stage was 19.5 feet.
- Forecast...The river is expected to rise above flood stage
late tomorrow morning and continue rising to a crest of 23.2
feet Monday morning.
- 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 Saturday morning.
Area Description:
Bureau, IL; La Salle, IL; Putnam, IL
Forcast Office:
NWS Chicago IL
Sender: