⚠️ Flood Watch – Benton; Linn; Jones; Jackson; Iowa; Johnson; Cedar; Clinton; Muscatine; Scott; Keokuk; Washington; Louisa; Jefferson; Henry; Des Moines; Van Buren; Carroll; Whiteside; Rock Island; Henry; Mercer – Wednesday, September 30, 2026

Flood Watch issued September 30 at 1:46AM CDT until October 2 at 1:00AM CDT by NWS Quad Cities IA IL

Details

* WHAT…Flooding caused by excessive rainfall is possible.

* WHERE…Portions of northwest Illinois, including the following
areas, Carroll, Henry IL, Mercer, Rock Island and Whiteside and
Iowa, including the following areas, Benton, Cedar, Clinton, Des
Moines, Henry IA, Iowa, Jackson, Jefferson, Johnson, Jones, Keokuk,
Linn, Louisa, Muscatine, Scott, Van Buren and Washington.

* WHEN…Through late Thursday night.

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

* ADDITIONAL DETAILS…
– Widespread rainfall is expected through Thursday night, with
rainfall totals reaching upwards to 2 to 3 inches. There will be
the potential for swaths of rainfall greater than 3 inches as
well in some areas. The cumulative effects of this rainfall will
result in rises along area rivers, along with the potential for
areal flooding as well. The threat for flash flooding is low.

Instructions

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.

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