Hail history / St. Louis / ZIP 63366
Hail history for ZIP 63366, O Fallon, MO
8 days with 1-inch hail or larger somewhere in 63366 since October 2020. The most recent was August 12, 2025.
81"+ hail days since Oct 2020
1.89"largest, March 14, 2024
August 12most recent, 2025
1998median year built
63366 (O Fallon, MO): median home built in 1998, 82% owner-occupied, about 21,514 housing units (Census).
| Date | Max hail in ZIP | Share of ZIP 1"+ | Homes 1"+ (est.) |
|---|---|---|---|
| August 12, 2025 | 1.31" | 3% | 578 |
| July 8, 2025 | 1.38" | 2% | 289 |
| May 16, 2025 | 1.06" | 1% | 216 |
| March 14, 2024 | 1.89" | 34% | 5,855 |
| July 29, 2023 | 1.16" | 2% | 289 |
| May 13, 2023 | 1.08" | 5% | 939 |
| July 9, 2021 | 1.04" | 1% | 216 |
| June 19, 2021 | 1.69" | 11% | 1,951 |
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