Headline:
Flood Watch issued April 27 at 9:43PM CDT until May 2 at 3:00AM CDT by NWS Chicago IL
Event:
Flood Watch
Urgency:
Future
Effective:
April 27, 2026 - 7:43pm
Expires:
April 28, 2026 - 1:45pm
Description:
...The Flood Watch continues for the following rivers in Illinois...
Illinois River at La Salle affecting Bureau, Putnam and La Salle
zones.
* WHAT...Flooding is possible.
* WHERE...Illinois River from Starved Rock Lock and Dam downstream
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
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 18.8 feet.
- Forecast...Flood stage may be reached by late tomorrow based
upon forecasted rainfall today and tonight.
- Flood stage is 20.0 feet.
- http://www.weather.gov/safety/flood
Instruction:
A Flood Watch means water levels above flood stage are possible, but
not yet certain, based upon the latest forecasts. Persons along
rivers and streams in the watch area should monitor the latest
forecasts and be prepared to take action should flooding develop.
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; Putnam; La Salle
Forcast Office:
NWS Chicago IL
Sender: