Flood Watch

* 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.