⚠️ Flood Warning – Des Moines, IA; Louisa, IA; Henderson, IL; Mercer, IL – Monday, September 21, 2026

Flood Warning issued September 21 at 11:47AM CDT until September 25 at 5:00PM CDT by NWS Quad Cities IA IL

Details

…The National Weather Service in Quad Cities has issued a Flood
Warning for the following rivers in Iowa…Illinois…

Mississippi River at Keithsburg affecting Henderson, Mercer, Louisa
and Des Moines Counties.

Mississippi River at Gladstone LD18 affecting Henderson and Des
Moines Counties.

Mississippi River at Burlington affecting Hancock, Lee, Henderson
and Des Moines Counties.

* WHAT…Minor flooding is forecast.

* WHERE…Mississippi River at Keithsburg.

* WHEN…From Tuesday evening to Friday afternoon.

* IMPACTS…At 14.5 feet, Water affects low lying areas in Oquawka.

* ADDITIONAL DETAILS…
– At 11:30 AM CDT Monday the stage was 11.5 feet.
– Forecast…The river is expected to rise above flood stage
tomorrow evening to a crest of 14.8 feet early Wednesday
afternoon. It will then fall below flood stage late Thursday
evening.
– Flood stage is 14.0 feet.

Instructions

Caution is urged when walking near riverbanks.

The next statement will be issued by Tuesday afternoon.

This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.