| Event | Flood Warning |
| Severity | Severe |
| Urgency | Expected |
| Certainty | Likely |
| Area | Brookings, SD; Hamlin, SD |
| Effective | 7/9/2026, 12:15:00 AM CDT |
| Expires | 7/10/2026, 2:15:00 AM CDT |
Flood Warning issued July 9 at 12:15AM CDT by NWS Sioux Falls SD
Details
…The National Weather Service in Sioux Falls has issued a Flood
Warning for the following rivers in South Dakota…
Big Sioux River near Estelline affecting Hamlin and Brookings
Counties.
* WHAT…Minor flooding is occurring.
* WHERE…Big Sioux River near Estelline.
* WHEN…From early this morning until further notice.
* IMPACTS…At 1644.0 feet, significant flooding of crop and pasture
land begins.
* ADDITIONAL DETAILS…
– At 12:00 AM CDT Thursday the stage was 1644.1 feet.
– Recent Activity…The maximum river stage in the 24 hours ending
at 12:00 AM CDT Thursday was 1644.1 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
Instructions
Turn around, don’t drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Additional information is available at www.weather.gov.
The next statement will be issued by late tonight.
This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.
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