Thunderstorm Wind in Yankton County, South Dakota

Thunderstorm Wind July 29, 2025 · Yankton County, South Dakota

58 mph

Measured gust (50 kt)

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

What the National Weather Service wrote

Thunderstorm wind gusts were measured by a Road Weather Information System sensor near Gayville.

The wider storm

Thunderstorms erupted within a very moist and unstable environment across central South Dakota during the afternoon of July 29 in response to an approaching upper level short-wave from Colorado. These thunderstorms quickly grew upscale into a line, producing 55 to 75 mph wind gusts across southeast South Dakota, resulting in isolated tree damage. In addition, prolonged heavy rain resulted in some localized flash flooding across northwest Iowa.

Began near Gayville (42.8800, -97.2200).

Source: NOAA Storm Events Database, event 1288279. Narratives are written by the National Weather Service forecast office that issued the report.

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