


Flood Statement
Issued by NWS Sioux Falls, SD
Issued by NWS Sioux Falls, SD
332 WGUS83 KFSD 211458 FLSFSD Flood Statement National Weather Service Sioux Falls SD 958 AM CDT Thu Aug 21 2025 ...The Flood Warning continues for the following river in South Dakota... Big Sioux River near Bruce affecting Brookings County. Big Sioux River near Estelline affecting Hamlin and Brookings Counties. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && SDC011-221700- /O.CON.KFSD.FL.W.0015.000000T0000Z-000000T0000Z/ /BRCS2.2.ER.250818T0245Z.250820T1500Z.000000T0000Z.NO/ 958 AM CDT Thu Aug 21 2025 ...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE... * WHAT...Moderate flooding is occurring. * WHERE...Big Sioux River near Bruce. * WHEN...Until further notice. * IMPACTS...At 10.5 feet, 198th Street and 199th Street between 466th and 467th avenues are flooded, as is 202nd Street between 465th and 467th avenues, and 465th Avenue between 203rd and 204th streets. * ADDITIONAL DETAILS... - At 8:45 AM CDT Thursday the stage was 10.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:45 AM CDT Thursday was 10.2 feet. - Forecast...No forecast is available for this location. - Flood stage is 8.0 feet. - Stay up to date with the latest river observations and forecasts at: www.water.noaa.gov && Fld Observed Forecasts (unknown time) Location Stg Stg Day/Time d1 d2 d3 Big Sioux River Bruce 8.0 10.0 Thu 8 am MSG MSG MSG && LAT...LON 4450 9690 4450 9684 4449 9685 4440 9689 4433 9687 4433 9692 4442 9693 $$ SDC011-057-221700- /O.CON.KFSD.FL.W.0014.000000T0000Z-000000T0000Z/ /BSES2.2.ER.250817T0740Z.250819T0300Z.000000T0000Z.UU/ 958 AM CDT Thu Aug 21 2025 ...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE... * WHAT...Minor flooding is occurring. * WHERE...Big Sioux River near Estelline. * WHEN...Until further notice. * IMPACTS...At 1645.5 feet, widespread flooding of agricultural lands begins. * ADDITIONAL DETAILS... - At 9:00 AM CDT Thursday the stage was 1644.9 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 AM CDT Thursday was 1645.2 feet. - Forecast...No forecast is available for this location. - Flood stage is 1644.0 feet. - Stay up to date with the latest river observations and forecasts at: www.water.noaa.gov && Fld Observed Forecasts (unknown time) Location Stg Stg Day/Time d1 d2 d3 Big Sioux River Estelline 1644.0 1644.9 Thu 9 am MSG MSG MSG && LAT...LON 4462 9700 4463 9696 4450 9684 4450 9690 $$ BP