Thunderstorm Wind in Big Stone County, Minnesota

Thunderstorm Wind August 21, 2025 · Big Stone County, Minnesota

70 mph

Estimated gust (61 kt)

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

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.

The wider storm

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

Began near Ortonville (45.3800, -96.3900).

Source: NOAA Storm Events Database, event 1291966. Narratives are written by the National Weather Service forecast office that issued the report.

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