Illinois Flood Warning | Effective 05/18/2026 15:50
* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...A portion of southeast Illinois, including the following
counties, Clay, Effingham and Jasper.
* WHEN...Until 600 AM CDT Tuesday.
* IMPACTS...Flooding of rivers, creeks, streams, and other low-lying
and flood-prone locations is imminent or occurring. Streams
continue to rise due to excess runoff from earlier rainfall.
* ADDITIONAL DETAILS...
- At 549 PM CDT, Doppler radar indicated heavy rain due to