Severe · Flood WatchActive alert
Flood Watch issued September 19 at 11:36AM CDT until September 20 at
Affecting Buchanan; Delaware; Dubuque; Benton; Linn; Jones; Jackson; Iowa; Johnson; Cedar; Clinton; Muscatine; Scott; Washington; Louisa; Jo Daviess; Stephenson; Carroll; Whiteside; Rock Island; Mercer
In effect until: Sep 20, 2026, 12:00 PM
Buchanan; Delaware; Dubuque; Benton; Linn; Jones; Jackson; Iowa; Johnson; Cedar; Clinton; Muscatine; Scott; Washington; Louisa; Jo Daviess; Stephenson; Carroll; Whiteside; Rock Island; Mercer
Possible impact zone; conditions develop through 12:00 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.
Read the original bulletin (official text)
* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of northwest Illinois, including the following counties, Carroll, Jo Daviess, Mercer, Rock Island, Stephenson and Whiteside and Iowa, including the following counties, Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque, Iowa, Jackson, Johnson, Jones, Linn, Louisa, Muscatine, Scott and Washington. * WHEN...Through Sunday morning. * 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... - Widespread showers and storms are expected to develop again this evening and last into Sunday. 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 tonight, with the potential for localized areas of 3+ inches.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™