⚠️ Flood Watch – Dubuque; Jackson; Jo Daviess; Stephenson; Carroll – Friday, September 18, 2026

Flood Watch issued September 18 at 1:23AM CDT until September 19 at 7:00PM CDT by NWS Quad Cities IA IL

Details

* WHAT…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, Dubuque and Jackson.

* WHEN…From late tonight 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…
– Widespread showers and storms are expected to develop late
tonight and last into Saturday. These storms will be capable of
rainfall rates between 1-2 inches per hour. Rainfall totals of
1-3 inches are likely through Saturday evening with the potential
for localized areas of 3+ inches.

Instructions

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

This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.