Illinois Severe Flood Warning | Effective 06/24/2026 07:43

Headline: 
Flood Warning issued June 24 at 9:43AM CDT by NWS St Louis MO
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
June 24, 2026 - 7:43am
Expires: 
June 25, 2026 - 7:45pm
Description: 
...The Flood Warning continues for the following rivers in Illinois... Illinois River at Meredosia. Illinois River at La Grange LD. Illinois River at Valley City. Illinois River at Hardin. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River at La Grange LD. * WHEN...Until further notice. * ADDITIONAL DETAILS... - At 9:00 AM CDT Wednesday the stage was 25.6 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 AM CDT Wednesday was 25.6 feet. - Forecast...The river is expected to rise to a crest of 26.0 feet Friday evening. - Flood stage is 23.0 feet.
Instruction: 
Motorists should not attempt to drive around barricades or drive cars through flooded areas. 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