開始于: 2026-09-19, 01:45
到: 2026-09-20, 02:00

* WHAT...Flooding and flash flooding caused by excessive rainfall is possible. * WHERE...Portions of northwest Illinois, including the following counties, Carroll, Jo Daviess, Stephenson and Whiteside and Iowa, including the following counties, Buchanan, Clinton, Delaware, Dubuque, Jackson and Jones. * 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... - Rounds of showers and storms are expected through tonight. 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 early Sunday morning with the potential for localized areas of 3+ inches.