* WHAT...Flooding caused by excessive rainfall is possible.
* WHERE...A portion of north central South Dakota, including the following counties, Campbell, Corson and Dewey.
* WHEN...Until 3 AM CDT /2 AM MDT/ Tuesday.
* IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Area creeks and streams are running high and could flood with more heavy rain.
* ADDITIONAL DETAILS... - Recent heavy rains have left soils saturated. Another round of storms is expected this evening and into the early overnight hours prompting the Flood Watch for north central South Dakota. - http://www.weather.gov/safety/flood