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Severe · Flood WatchActive alert

Flood Watch issued September 15 at 3:57AM CDT until September 16 at

Affecting Wright; Franklin; Butler; Bremer; Calhoun; Webster; Hamilton; Hardin; Grundy; Black Hawk; Carroll; Greene; Boone; Story; Marshall; Tama; Audubon; Guthrie; Dallas; Polk; Jasper; Poweshiek; Cass; Adair; Madison; Warren; Marion; Adams; Union; Clarke; Lucas; Taylor; Ringgold; Decatur; Wayne

In effect until: Sep 15, 2026, 10:00 PM

Wright; Franklin; Butler; Bremer; Calhoun; Webster; Hamilton; Hardin; Grundy; Black Hawk; Carroll; Greene; Boone; Story; Marshall; Tama; Audubon; Guthrie; Dallas; Polk; Jasper; Poweshiek; Cass; Adair; Madison; Warren; Marion; Adams; Union; Clarke; Lucas; Taylor; Ringgold; Decatur; Wayne

Possible impact zone; conditions develop through 10:00 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 southwestern, central, and northeastern Iowa.

* WHEN...Through Wednesday afternoon.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.

* ADDITIONAL DETAILS...
- Heavy rainfall is expected to continue through this morning
before a lull in activity is forecast for this afternoon.
However, heavy rainfall is forecast to move back into the area
late Tuesday night into Wednesday.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™