Thunderstorm Wind in Lyman County, South Dakota

Thunderstorm Wind August 16, 2025 · Lyman County, South Dakota

59 mph

Measured gust (51 kt)

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

The wider storm

Thunderstorms moving across northeast South Dakota during the early morning hours produced strong winds and wind damage, heavy rainfall, and a brief tornado. A peak wind gust of 80 mph was recorded at the South Dakota Department of Transportation (SDDOT) mesonet station 4 miles west southwest of Stone Bridge, while the SDDOT mesonet station near Turnerville recorded a peak wind gust of 77 mph. Winds were so strong in and around Watertown that the Codington County Emergency Manager reported an innumerable number of trees had fallen across town.

Began near Reliance Arpt (43.8500, -99.5600).

Other tornadoes from the same storm system

1 more tornado the National Weather Service filed under this storm episode.

EF0 Hamlin County

Source: NOAA Storm Events Database, event 1290380. Narratives are written by the National Weather Service forecast office that issued the report.

Tornadoes near your address

See every tornado that passed near a place you know, measured to its path.