South Dakota Severe Flood Warning | Effective 07/10/2026 06:45

Headline: 
Flood Warning issued July 10 at 8:45AM CDT by NWS Sioux Falls SD
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
July 10, 2026 - 6:45am
Expires: 
July 11, 2026 - 8:45am
Description: 
...The Flood Warning continues for the following rivers in South Dakota... Big Sioux River near Bruce affecting Brookings County. Big Sioux River near Estelline affecting Hamlin and Brookings Counties. * WHAT...Minor flooding is occurring. * WHERE...Big Sioux River near Estelline. * WHEN...Until further notice. * IMPACTS...At 1644.0 feet, significant flooding of crop and pasture land begins. * ADDITIONAL DETAILS... - At 8:00 AM CDT Friday the stage was 1644.7 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 AM CDT Friday was 1645.0 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: water.noaa.gov
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. The next statement will be issued by Saturday morning.
Area Description: 
Brookings, SD; Hamlin, SD
Forcast Office: 
NWS Sioux Falls SD