Hail — Yankton, South Dakota

2025-06-16 · near Yankton, Yankton, South Dakota

Event narrative

Hail varied from nickel to quarter size.

Wider weather episode

Thunderstorms developed along a stout outflow boundary, which dropped southward into the area through the day. The boundary served as a gradient in shear and instability, and focused initial development during the afternoon hours, which featured hail up to golf ball size. Storms evolved to produce a couple tracks of damaging wind heading southeast across northeast Nebraska and northwest Iowa into very early evening.

View location on OpenStreetMap → (42.8800, -97.3600)

Source: NOAA Storm Events Database, event_id 1278364. Narrative written by the NWS forecast office that issued the report.