Flash Flood Warning Issued for South Central Iowa Counties
This alert is no longer in effect.
NOAA issued it on August 5, 2026, 2 weeks ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
NWS Des Moines has issued a Flash Flood Warning for Clarke, Decatur, Lucas, and Wayne counties in Iowa until 1:15 PM CDT August 5.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- South Central Iowa
- Issued
- August 5, 2026
- Issuing authority
- NWS Des Moines IA
Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.
Record status: historical. It was issued 2 weeks ago; use the issuing agency's live warning service for current conditions in South Central Iowa.
Alert Details
A Flash Flood Warning has been issued by the National Weather Service in Des Moines IA. The alert is effective from August 5 at 7:12 AM CDT until August 5 at 1:15 PM CDT.
Affected Areas
The warning covers Clarke County, Northern Decatur County, Southwestern Lucas County, and Wayne County in south central Iowa. 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.
What You Should Do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. For the latest stream observations and forecasts refer to weather.gov/desmoines/water.
Expected Conditions
Doppler radar indicated thunderstorms producing heavy rain across the warned area, with flash flooding ongoing or expected to begin shortly. Hazard is flash flooding caused by thunderstorms.
Timeline
The Flash Flood Warning is in effect from 7:12 AM CDT until 1:15 PM CDT on August 5, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,081 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 5, 2026.
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