Thunderstorm Wind — Big Stone, Minnesota

2025-08-21 · near Ortonville, Big Stone, Minnesota

Event narrative

A trained spotter surveying for damage reported multiple trees topped, uprooted or damaged at a farmstead northeast of Ortonville. Minor structural damage to a small grain bin and outbuilding included shingles torn from the roof.

Wider weather episode

Strong storms moving through western Minnesota produced high winds northwest of Ortonville, damaging trees at a farmstead near Thielke and Bentsen Lakes.

View location on OpenStreetMap → (45.3800, -96.3900)

Source: NOAA Storm Events Database, event_id 1291966. Narrative written by the NWS forecast office that issued the report.