Flood in Brookings County, South Dakota

Flood August 6, 2025 – August 10, 2025 · Brookings County, South Dakota

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

The Big Sioux River near Estelline rose above flood stage on the afternoon of August 6th, cresting around 0.47 feet above flood stage (1644.47 ft) on August 8th. The river then fell below flood stage on the evening of August 10th.

The wider storm

Another round of locally heavy rain across the Upper Big Sioux Basin resulted in downstream minor flooding along portions of the Middle Big Sioux River.

Began near Bruce (44.5436, -96.9370).

Source: NOAA Storm Events Database, event 1282764. Narratives are written by the National Weather Service forecast office that issued the report.

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