Hail history / St. Louis / ZIP 63033
Hail history for ZIP 63033, Florissant, MO
6 days with 1-inch hail or larger somewhere in 63033 since October 2020. The most recent was April 27, 2026.
61"+ hail days since Oct 2020
1.72"largest, July 17, 2023
April 27most recent, 2026
1966median year built
63033 (Florissant, MO): median home built in 1966, 67% owner-occupied, about 19,176 housing units (Census).
| Date | Max hail in ZIP | Share of ZIP 1"+ | Homes 1"+ (est.) |
|---|---|---|---|
| April 27, 2026 | 1.26" | 24% | 2,801 |
| May 26, 2024 | 1.48" | 36% | 4,202 |
| March 14, 2024 | 1.1" | 2% | 280 |
| July 17, 2023 | 1.72" | 67% | 7,845 |
| July 14, 2023 | 1.13" | 14% | 1,681 |
| July 1, 2023 | 1.31" | 17% | 1,961 |
Check one address
A ZIP is big. The free hail check gives the hail size at one address, on every one of these dates.
For roofing companies
Swath puts every house under 1"+ hail on your crew's phones by 7:30 the next morning, ranked biggest hail first, with your logo on the app and ZIP codes that are yours alone.
See this storm in the appHow Swath works