Illinois, Missouri Flood Warning | Effective 04/20/2026 08:51

Headline: 
Flood Warning issued April 20 at 10:51AM CDT by NWS Quad Cities IA IL
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
April 20, 2026 - 8:51am
Expires: 
April 21, 2026 - 9:00am
Description: 
...The Flood Warning is extended for the following rivers in Illinois...Iowa... Mississippi River at Ill. City LD16 affecting Rock Island and Muscatine Counties. ...The Flood Warning continues for the following rivers in Illinois...Iowa...Missouri... Mississippi River at Rock Island LD15 affecting Rock Island, Scott and Muscatine Counties. Mississippi River at Muscatine affecting Rock Island, Louisa, Mercer and Muscatine Counties. Mississippi River at Gregory Landing affecting Clark and Hancock Counties. Mississippi River at New Boston LD17 affecting Louisa and Mercer Counties. Mississippi River at Keithsburg affecting Mercer, Louisa, Henderson and Des Moines Counties. Mississippi River at Burlington affecting Hancock, Lee, Henderson and Des Moines Counties. Mississippi River at Gladstone LD18 affecting Henderson and Des Moines Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Gregory Landing. * WHEN...Until further notice. * IMPACTS...At 16.0 feet, Water affects buildings in unprotected low areas. * ADDITIONAL DETAILS... - At 10:30 AM CDT Monday the stage was 16.1 feet. - Forecast...The river is expected to fall to 15.7 feet Monday, April 27. - Flood stage is 15.0 feet.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. The next statement will be issued by Tuesday morning at 1100 AM CDT.
Area Description: 
Hancock, IL; Clark, MO
Forcast Office: 
NWS Quad Cities IA IL