Illinois Severe Flood Warning | Effective 06/27/2026 11:21

Headline: 
Flood Warning issued June 27 at 1:21PM CDT by NWS St Louis MO
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
June 27, 2026 - 11:21am
Expires: 
June 28, 2026 - 11:30pm
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 Meredosia. * WHEN...Until further notice. * IMPACTS...At 21.0 feet, Chambers Road south of Naples floods at Mauvaise Terre Creek near this level. * ADDITIONAL DETAILS... - At 1:00 PM CDT Saturday the stage was 20.4 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 1:00 PM CDT Saturday was 20.4 feet. - Forecast...The river is expected to rise to a crest of 20.7 feet tomorrow morning. - Flood stage is 17.0 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: 
Morgan, IL; Pike, IL
Forcast Office: 
NWS St Louis MO