Hail in St. Louis County, Missouri
Radar recorded hail of 1 inch or larger in St. Louis County on 46 days since October 2020. That is more than 80% of US counties. It ranks 5 of 115 in Missouri.
The largest radar estimate was 3.75 inches on May 26, 2024. The most recent 1-inch day was August 16, 2026. Radar estimates and ground reports often differ, so see how they compare.
See the county center on the map
Days of 1-inch hail by year
| Year | Days |
|---|---|
| 2020 (from October) | 0 |
| 2021 | 7 |
| 2022 | 3 |
| 2023 | 13 |
| 2024 | 8 |
| 2025 | 8 |
| 2026 | 7 |
Largest hail days
| Storm day | Radar estimate |
|---|---|
| May 26, 2024 | 3.75 in |
| July 9, 2021 | 3.45 in |
| April 1, 2024 | 2.75 in |
| May 16, 2025 | 2.65 in |
| June 30, 2023 | 2.4 in |
| June 19, 2021 | 2.3 in |
Ground reports
Within this area, storm spotters and weather offices logged 166 hail reports since October 2020, and 52 tornadoes started here since 1950.
Figures cover a circle with the same land area as the county, centered on it, so edges are approximate.
Most hail days in Missouri
- Bates County: 48 days
- Franklin County: 47 days
- Wayne County: 47 days
- Nodaway County: 46 days
- Texas County: 46 days
- Adair County: 45 days