42°24'北 / 90°25'西 / 高度 201 m / 00:37 2026-09-19, America/Chicago (UTC-5)
開始于: 2026-09-19, 01:00
到: 2026-09-19, 14:00
* 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.
Jo Daviess,Jo Daviess
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.
NWS Quad Cities IA IL
2026-09-18, 13:56