6/29/2025 10:41:00 PM until 6/30/2025 11:00:00 AM

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. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Additional information is available at www.weather.gov/abr. The next statement will be issued by Monday morning at 1100 AM CDT.

The Flood Warning continues for the following rivers in South Dakota... Big Sioux River Near Castlewood affecting Hamlin County. .For sites with a river forecast, the forecast includes precipitation through the next 24 hours. Any future precipitation could affect the forecasts. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Big Sioux River near Castlewood. * WHEN...Until late tomorrow morning. * IMPACTS...At 9.0 feet, Water overtops the culvert on 184th Street and significant agricultural flooding begins north of Castlewood. * ADDITIONAL DETAILS... - At 9:45 PM CDT Sunday the stage was 9.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:45 PM CDT Sunday was 9.6 feet. - Forecast...The river is expected to fall below flood stage late tonight and continue falling to 7.2 feet Friday evening. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/flood