Flood Watch

* WHAT...Flash flooding caused by excessive rainfall is possible.

* WHERE...Portions of west central Illinois, including the following areas, Adams IL and Brown IL and northeast Missouri, including the following areas, Knox MO, Lewis MO, Marion MO and Shelby MO.

* WHEN...From 1 AM CDT Saturday through Saturday morning.

* IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations.

* ADDITIONAL DETAILS... - Thunderstorms producing heavy rainfall moving over the same areas will likely produce flash flooding.