Severe · Flood WarningActive alert
Flood Warning issued September 28 at 6:30AM CDT until September 28 at
Affecting Dewey, SD
In effect until: Sep 28, 2026, 5:30 PM
Dewey, SD
Likely impact in Dewey, SD; effects through 5:30 PM.
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.
Read the original bulletin (official text)
* 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
Free. In your language.
Get the next alert for your area before it matters.
Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™