Flash Flood — Codington, South Dakota

2025-07-04 · near Watertown, Codington, South Dakota

Event narrative

A trained spotter reported street flooding halfway up car tires on roadways in Watertown from brief but intense rainfall. The COOP observer in Watertown recorded 1.22 inches of rainfall in 1 hour.

Wider weather episode

Thunderstorms on the Fourth of July produced a strong wind gust with the Aberdeen Regional Airport Automated Surface Observing System reaching a peak of 81 mph. Heavy rainfall from these storms also led to flash flooding in Aberdeen and later in Watertown.

View location on OpenStreetMap → (44.9100, -97.1100)

Source: NOAA Storm Events Database, event_id 1268746. Narrative written by the NWS forecast office that issued the report.