Cumulative heavy rainfall from May through mid-August, along with reservoir releases in North Dakota, resulted in flooding along the James River. Impacts from the flooding were limited to agricultural lands.
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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.
The episode as NWS ABR wrote it up.
Cumulative heavy rainfall from May through mid-August, along with reservoir releases in North Dakota, resulted in flooding along the James River. Impacts from the flooding were limited to agricultural lands.
The national radar mosaic for the moment the first event began.
1 flood. Local standard time, as filed.
The river near Columbia went into flood at 9:15 p.m. CST on August 10th and remained in flood through the rest of the month. It crested at 15.15 feet, which is 2.15 feet above flood stage, primarily impacting agricultural lands.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in South Dakota in 2025Every state in 2025This day in weather historyWarnings in South Dakota, August 2025
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 2026-09-24. Each event’s entry at NCEI: 1291015.