7/31/2025 10:46:00 AM until 8/1/2025 1:00:00 PM

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional forecast information is available at www.weather.gov/siouxfalls. The next statement will be issued by Friday afternoon.

The Flood Warning continues for the following rivers in South Dakota...Iowa... Big Sioux River near Bruce affecting Brookings County. Big Sioux River near Estelline affecting Hamlin and Brookings Counties. Floyd River at Alton affecting Sioux and Plymouth Counties. * WHAT...Moderate flooding is occurring. * WHERE...Big Sioux River near Estelline. * WHEN...Until further notice. * IMPACTS...At 1645.5 feet, widespread flooding of agricultural lands begins. * ADDITIONAL DETAILS... - At 10:00 AM CDT Thursday the stage was 1645.6 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:00 AM CDT Thursday was 1645.6 feet. - Forecast...No forecast is available for this location. - Flood stage is 1644.0 feet. - Stay up to date with the latest river observations and forecasts at: www.water.noaa.gov