Severe · Flood WatchThis alert has expired. It is kept for reference.

Flood Watch issued September 16 at 8:24PM CDT until September 17 at

Affecting Greene; Boone; Story; Marshall; Tama; Audubon; Guthrie; Dallas; Polk; Jasper; Poweshiek; Cass; Adair; Madison; Warren; Marion; Mahaska; Adams; Union; Clarke; Lucas; Monroe; Wapello; Taylor; Ringgold; Decatur; Wayne; Appanoose; Davis

In effect until: Sep 17, 2026, 3:00 PM

Greene; Boone; Story; Marshall; Tama; Audubon; Guthrie; Dallas; Polk; Jasper; Poweshiek; Cass; Adair; Madison; Warren; Marion; Mahaska; Adams; Union; Clarke; Lucas; Monroe; Wapello; Taylor; Ringgold; Decatur; Wayne; Appanoose; Davis

Possible impact zone; conditions develop through 3:00 PM.

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

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Read the original bulletin (official text)

* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.

* WHERE...Portions of central and southern Iowa.

* WHEN...Through Thursday morning.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Creeks and streams may rise out of their banks. Flooding may occur
in poor drainage and urban areas.

* ADDITIONAL DETAILS...
- A band of heavier rain is expected overnight. Already saturated
conditions have lowered the rainfall needed for flash flooding
impacts.

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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™

Flood Watch issued September 16 at 8:24PM CDT until September 17 at

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