* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...West Central Dewey County in north central South Dakota...
* WHEN...Until 1130 AM MDT.
* IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring.
* ADDITIONAL DETAILS... - At 530 AM MDT, Doppler radar indicated heavy rain due to thunderstorms. Flooding is ongoing or expected to begin shortly in the warned area. - Some locations that will experience flooding include... Green Grass. - http://www.weather.gov/safety/flood