South Dakota lightning map
South Dakota sits along the northern Plains storm track, with frequent summer thunderstorms and occasional severe, hail-producing supercells.
Cities in South Dakota
Track lightning anywhere in South Dakota.
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Frequently asked
How many thunderstorm days does South Dakota get?
South Dakota averages about 40 thunderstorm days a year, versus a US average near 25. Activity peaks May–August.
When is thunderstorm season in South Dakota?
Lightning is most frequent May–August in South Dakota.