* WHAT...Flash flooding caused by excessive rainfall is possible.
* WHERE...A portion of east central Illinois, including the following counties, Champaign, Douglas, Edgar and Vermilion.
* WHEN...Through late tonight.
* IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations.
* ADDITIONAL DETAILS... - http://www.weather.gov/safety/flood