Iowa, Illinois Severe Flood Watch | Effective 09/30/2026 09:53
* WHAT...Flooding caused by excessive rainfall continues to be
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,