Hail — Minnehaha, South Dakota

2025-09-16 · near South Sioux Falls, Minnehaha, South Dakota

Wider weather episode

A nearly stationary thunderstorm developed and dissipated over southwestern Sioux Falls along a converging set of outflow boundaries from earlier thunderstorm activity. With less than 10 knots of deep-layer shear and an extensive warm-cloud depth, torrential rainfall occurred with 1 to 2 inches in less than an hour. Brief large hail also occurred at the onset of heavy rain.

View location on OpenStreetMap → (43.5100, -96.7900)

Source: NOAA Storm Events Database, event_id 1292618. Narrative written by the NWS forecast office that issued the report.