Thunderstorm Wind in Douglas County, South Dakota

Thunderstorm Wind July 15, 2025 · Douglas County, South Dakota

74 mph

Measured gust (64 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 Corsica.

The wider storm

A cluster of thunderstorms rapidly developed across south-central South Dakota during the late afternoon on July 15 in response to an eastward moving cold front. These thunderstorms quickly expanded into a line and moved across southeast South Dakota into the mid-late evening, reaching the I-29 corridor by 2000 CST. While a few thunderstorms produced hail up to 1.25 inches in diameter, the primary hazard was severe downburst winds, gusting up to 77 mph and producing sporadic tree and structural damage. The thunderstorms weakened below severe limits upon entering Minnesota and Iowa.

Began near Corsica (43.3800, -98.4100).

Source: NOAA Storm Events Database, event 1287207. Narratives are written by the National Weather Service forecast office that issued the report.

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