Flood in Codington County, South Dakota

Flood August 6, 2025 – August 7, 2025 · Codington County, South Dakota

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

What the National Weather Service wrote

The South Branch Tributary of Mud Creek near Rauville went into flood during the morning hours of August 6th. A peak crest of 4.91 feet was recorded at 1045 am CST on August 6th, with the creek falling below flood stage on the afternoon of August 7th.

The wider storm

Heavy rainfall of 2 to 4 inches across Codington and Hamlin counties, falling on already saturated soils due to above normal precipitation through the spring and summer months, resulted in flooding of the Big Sioux River and its tributaries including Mud and Willow Creeks. Flooding would mainly be limited to low spots and agricultural lands, however.

Began near Rauville (44.9700, -97.0600).

Source: NOAA Storm Events Database, event 1290195. Narratives are written by the National Weather Service forecast office that issued the report.

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