Illinois Severe Flood Warning | Effective 06/19/2026 07:36

Headline: 
Flood Warning issued June 19 at 9:36AM CDT by NWS St Louis MO
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
June 19, 2026 - 7:36am
Expires: 
June 20, 2026 - 7:45pm
Description: 
...The Flood Warning continues for the Illinois river at the following locations... Illinois River at La Grange LD. Illinois River at Meredosia. 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 forecast. * WHERE...Illinois River at Meredosia. * WHEN...From late tonight until further notice. * IMPACTS...At 18.0 feet, City of Meredosia plugs storm sewer outlets. * ADDITIONAL DETAILS... - At 9:00 AM CDT Friday the stage was 16.4 feet. - Forecast...The river is expected to rise above flood stage late tonight and continue rising to a crest of 18.5 feet Wednesday 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