⚠️ Flash Flood Warning – Clarke, IA; Decatur, IA; Lucas, IA; Wayne, IA – Wednesday, August 5, 2026

Flash Flood Warning issued August 5 at 7:12AM CDT until August 5 at 1:15PM CDT by NWS Des Moines IA

Details

FFWDMX

The National Weather Service in Des Moines has issued a

* Flash Flood Warning for…
Clarke County in south central Iowa…
Northern Decatur County in south central Iowa…
Southwestern Lucas County in south central Iowa…
Wayne County in south central Iowa…

* Until 115 PM CDT Wednesday.

* At 712 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Flash flooding is ongoing or
expected to begin shortly.

HAZARD…Flash flooding caused by thunderstorms.

SOURCE…Radar.

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…
Osceola, Corydon, Lakeside Casino, Murray, Seymour, Allerton,
Humeston, Van Wert, Garden Grove, Woodburn, Weldon, Derby,
Millerton, Le Roy and Murray Roadside Rest Area.

Instructions

For the latest stream observations and forecasts refer to
weather.gov/desmoines/water.

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.