High Wind in Walworth, South Dakota

High Wind July 26, 2025 · Walworth, South Dakota

58 mph

Measured gust (50 kt)

What the National Weather Service wrote

A decaying thunderstorm generated a 58 mph wind gust, associated with a heat burst, 2 miles south of Lowry on a South Dakota State University mesonet station.

The wider storm

Scattered thunderstorms developed in the late afternoon and evening, producing large hail and high winds. A peak gust of 76 mph measured at the South Dakota Department of Transportation Road Weather Information Station (SDDOT RWIS) 17 miles west of the town of Polo, and 72 mph on the SDDOT RWIS 9 miles north northwest of Vivian.

As storms dissipated they generated several heat bursts in which temperatures increased by 3 to 8 degrees and dewpoints dropped by as much as 20 degrees. There were multiple reports of strong winds associated with these heat bursts across central and north-central South Dakota.

Source: NOAA Storm Events Database, event 1268670. Narratives are written by the National Weather Service forecast office that issued the report.

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