Illinois Severe Flood Warning | Effective 07/01/2026 18:39

Headline: 
Flood Warning issued July 1 at 8:39PM CDT until July 6 at 4:00PM CDT by NWS St Louis MO
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
July 1, 2026 - 6:39pm
Expires: 
July 3, 2026 - 6:45am
Description: 
...The Flood Warning continues for the following rivers in Illinois... Illinois River at Meredosia. Illinois River at La Grange LD. ...The Flood Warning is extended for the following rivers in Illinois... 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 Monday afternoon. * ADDITIONAL DETAILS... - At 8:00 PM CDT Wednesday the stage was 25.1 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 PM CDT Wednesday was 25.6 feet. - Forecast...The river is expected to fall below flood stage late Sunday morning and continue falling to 20.6 feet Wednesday, July 08. - 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