Broken Records

Largest hailstone in the US (diameter)

The current largest hailstone in the us (diameter) record is 8 in, held by Vivian, South Dakota, set on July 23, 2010. Last checked October 10, 2026.

8

in

Vivian, South Dakota

Vivian, South Dakota, United States, 2010

Holder
Vivian, South Dakota
Record
8 in
Metric
20.3 cm
Exact figure
8.0 in diameter
Location
Vivian, South Dakota, United States
Date set
July 23, 2010
Last checked
October 10, 2026

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