Hail — Oglala Lakota, South Dakota

2025-08-04 · near Rockyford, Oglala Lakota, South Dakota

Event narrative

Hail lasted 15 minutes with the largest stone measuring 1.5 inches.

Wider weather episode

Storms developed along the Black Hills just to the west and south of Sturgis during the rally. A storm coming off the Black Hills was able to produce a funnel cloud on the west side of Rapid City that had a lot of exposure.

View location on OpenStreetMap → (43.5100, -102.6400)

Source: NOAA Storm Events Database, event_id 1291907. Narrative written by the NWS forecast office that issued the report.