Headline:
Flood Watch issued September 20 at 9:21PM CDT until September 23 at 10:00AM CDT by NWS Chicago IL
Event:
Flood Watch
Urgency:
Future
Effective:
September 20, 2026 - 7:21pm
Expires:
September 21, 2026 - 1:30pm
Description:
...The Flood Watch continues for the following rivers in Illinois...
Illinois River at La Salle affecting La Salle, Putnam and Bureau
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 Monday morning to Wednesday morning.
* ADDITIONAL DETAILS...
- At 8:45 PM CDT Sunday the stage was 16.0 feet.
- Forecast...Rises on the river are possible the next few days. The
river may reach flood stage.
- 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 Monday afternoon.
Area Description:
Bureau; Putnam; La Salle
Forcast Office:
NWS Chicago IL
Sender:
w-nws.webmaster@noaa.gov