Illinois Flood Warning | Effective 05/01/2026 19:18

Headline: 
Flood Warning issued May 1 at 9:18PM CDT until May 4 at 7:00PM CDT by NWS St Louis MO
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
May 1, 2026 - 7:18pm
Expires: 
May 3, 2026 - 7:30am
Description: 
...The Flood Warning is extended for the following rivers in Illinois... Illinois River at Meredosia. ...The Flood Warning continues 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 forecast. * WHERE...Illinois River at Meredosia. * WHEN...From late tonight to Monday evening. * IMPACTS...At 17.4 feet, Meredosia boat dock floods. * ADDITIONAL DETAILS... - At 9:00 PM CDT Friday the stage was 16.9 feet and rising. - Forecast...The river is expected to rise to a crest of 17.0 feet just after midnight tonight. It will then fall below flood stage early Sunday afternoon. - 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
Sender: 
w-nws.webmaster@noaa.gov