Thunderstorm Wind in Davison County, South Dakota

Thunderstorm Wind June 3, 2026 · Davison County, South Dakota

66 mph

Measured gust (57 kt)

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

What the National Weather Service wrote

Thunderstorm wind gusts measured by the South Dakota Mesonet station VNMS2 at Mount Vernon.

The wider storm

A deep upper-level trough moved along the international border with a strengthening southerly flow of moisture and instability into southeast South Dakota. With the terminus of the transport near the mid-James River Valley, isolated storms developed by very late afternoon with strong updrafts and large hail up to ping-pong ball size. A more linear system developed along the dry line in central South Dakota during the early evening and produced damaging wind gusts up to 70 mph near and south of Interstate 90.

Began near Mt Vernon (43.7200, -98.2800).

Source: NOAA Storm Events Database, event 1345451. Narratives are written by the National Weather Service forecast office that issued the report.

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