⚠️ Flash Flood Warning – Des Moines, IA; Henry, IA; Lee, IA; Henderson, IL – Wednesday, August 19, 2026

Flash Flood Warning issued August 19 at 4:36PM CDT until August 19 at 10:30PM CDT by NWS Quad Cities IA IL

Details

FFWDVN

The National Weather Service in Quad Cities has issued a

* Flash Flood Warning for…
Southern Des Moines County in southeastern Iowa…
Southern Henry IA County in southeastern Iowa…
Northern Lee County in southeastern Iowa…
Central Henderson County in west central Illinois…

* Until 1030 PM CDT.

* At 436 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 2 inches of rain
have fallen. Additional rainfall amounts of 1 to 2 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.

HAZARD…Flash flooding caused by thunderstorms.

SOURCE…Radar indicated.

IMPACT…Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.

* Some locations that will experience flash flooding include…
Burlington, West Burlington, Danville, Stronghurst, Salem,
Middletown, Carman, Biggsville, Gladstone, Hillsboro, St. Paul,
Gulf Port, Iowa Army Ammunition Plant, Denmark, Lowell, Pilot
Grove, Houghton, Media, Beaverdale and Des Moines County
Fairgrounds.

This includes the following State Parks…
Henderson County Conservation Area.

Instructions

Turn around, don’t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

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