Hail history / St. Louis / ZIP 63021
Hail history for ZIP 63021, Ballwin, MO
9 days with 1-inch hail or larger somewhere in 63021 since October 2020. The most recent was June 27, 2025.
91"+ hail days since Oct 2020
3.72"largest, May 26, 2024
June 27most recent, 2025
1983median year built
63021 (Ballwin, MO): median home built in 1983, 81% owner-occupied, about 22,942 housing units (Census).
| Date | Max hail in ZIP | Share of ZIP 1"+ | Homes 1"+ (est.) |
|---|---|---|---|
| June 27, 2025 | 1.01" | 1% | 247 |
| May 16, 2025 | 1.16" | 3% | 495 |
| May 26, 2024 | 3.72" | 93% | 16,610 |
| April 1, 2024 | 1.14" | 7% | 1,239 |
| September 26, 2023 | 1.1" | 3% | 495 |
| June 30, 2023 | 1.43" | 17% | 2,975 |
| May 13, 2023 | 1.86" | 24% | 4,214 |
| April 15, 2023 | 1.98" | 65% | 11,652 |
| June 19, 2021 | 1.4" | 26% | 4,710 |
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