South Dakota, 2025

Flood in South Dakota, August 26 to 31, 2025

August 26 to 31, 2025 · NWS ABR · 1 event in 1 county or zone

Above normal rainfall and releases from North Dakota would result in the James River near Stratford going into flood on the morning of August 26th. The river would remain in flood through the end of the month.

Where it happened

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
1

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS ABR wrote it up.

Above normal rainfall and releases from North Dakota would result in the James River near Stratford going into flood on the morning of August 26th. The river would remain in flood through the end of the month.

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

1 flood. Local standard time, as filed.

Flood, Brown

When
August 26, 2:45 AM CST to August 31, 11:59 PM CST
Where
Brown County, 3.45 mi S of Putney to 10.41 mi E of Plana
Cause
Heavy Rain
Reported by
River/Stream Gage
Coordinates
45.520, -98.180

The river would top out at 14.64 feet, or 0.64 feet above flood stage, at the end of the month. The flooding mainly impacted adjacent agricultural lands.

What these are

Flood
Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in South Dakota in 2025Every state in 2025This day in weather historyWarnings in South Dakota, August 2025

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-30. Each event’s entry at NCEI: 1291983.