Severe · Flood WatchActive alert

Flood Watch issued September 18 at 1:56PM CDT until September 19 at

Affecting Buchanan; Delaware; Dubuque; Jackson; Jo Daviess; Stephenson; Carroll

In effect until: Sep 19, 2026, 7:00 PM

Buchanan; Delaware; Dubuque; Jackson; Jo Daviess; Stephenson; Carroll

Possible impact zone; conditions develop through 7:00 PM.

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

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* WHAT...Flooding and flash flooding caused by excessive rainfall is
possible.

* WHERE...Portions of northwest Illinois, including the following
counties, Carroll, Jo Daviess and Stephenson and Iowa, including
the following counties, Buchanan, Delaware, Dubuque and Jackson.

* WHEN...From 1 AM CDT Saturday through Saturday evening.

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

* ADDITIONAL DETAILS...
- Rounds of showers and storms are expected from late tonight
through Saturday. These storms will be capable of rainfall rates
between 1 to 2 inches per hour. Rainfall totals of 1 to 3 inches
are likely in the hardest hit areas through Saturday evening with
the potential for localized areas of 3+ inches.

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

Flood Watch issued September 18 at 1:56PM CDT until September 19 at

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