Severe · Flood WatchActive alert

Flood Watch issued September 15 at 3:09PM CDT until September 16 at

Affecting Pottawattamie; Mills; Montgomery; Fremont; Page; Douglas; Sarpy; Lancaster; Cass; Otoe; Gage; Johnson; Nemaha; Pawnee; Richardson

In effect until: Sep 16, 2026, 6:00 PM

Pottawattamie; Mills; Montgomery; Fremont; Page; Douglas; Sarpy; Lancaster; Cass; Otoe; Gage; Johnson; Nemaha; Pawnee; Richardson

Possible impact zone; conditions develop through 6:00 PM.

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

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Read the original bulletin (official text)

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

* WHERE...Portions of southwest Iowa, including the following
counties, Fremont, Mills, Montgomery, Page and Pottawattamie and
Nebraska, including the following counties, Cass, Douglas, Gage,
Johnson, Lancaster, Nemaha, Otoe, Pawnee, Richardson and Sarpy.

* 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...
- Recent heavy rainfall combined with potential for repeated rounds
of thunderstorms this evening and overnight will lead to a flash
flooding threat through at least Wednesday morning.
- http://www.weather.gov/safety/flood

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

Flood Watch issued September 15 at 3:09PM CDT until September 16 at

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