Illinois Flood Warning | Effective 04/28/2026 09:25

Headline: 
Flood Warning issued April 28 at 11:25AM CDT until May 5 at 1:00AM CDT by NWS St Louis MO
Event: 
Flood Warning
Urgency: 
Expected
Effective: 
April 28, 2026 - 9:25am
Expires: 
April 29, 2026 - 9:30pm
Description: 
...The National Weather Service in St Louis has issued a Flood Warning for the following rivers in Illinois... Illinois River at La Grange LD. Illinois River at Meredosia. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is forecast. * WHERE...Illinois River at La Grange LD. * WHEN...From Wednesday evening to late Monday night. * IMPACTS...At 23.0 feet, Adjacent farmland and wetlands begins flooding. Island Road across the river in western Cass County begins flooding. * ADDITIONAL DETAILS... - At 10:00 AM CDT Tuesday the stage was 21.8 feet. - Forecast...The river is expected to rise above flood stage tomorrow evening to a crest of 23.4 feet early Friday morning. It will then fall below flood stage Sunday evening. - Flood stage is 23.0 feet.
Instruction: 
Motorists should not attempt to drive around barricades or drive cars through flooded areas. Be especially cautious at night when it is harder to recognize the dangers of flooding. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx
Area Description: 
Brown, IL
Forcast Office: 
NWS St Louis MO