Hail in Allegheny County, Pennsylvania
Radar recorded hail of 1 inch or larger in Allegheny County on 18 days since October 2020. That is more than 38% of US counties. It ranks 18 of 67 in Pennsylvania.
The largest radar estimate was 1.95 inches on September 3, 2026. The most recent 1-inch day was September 3, 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 | 3 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 6 |
| 2025 | 2 |
| 2026 | 3 |
Largest hail days
| Storm day | Radar estimate |
|---|---|
| September 3, 2026 | 1.95 in |
| August 28, 2024 | 1.75 in |
| June 13, 2021 | 1.55 in |
| June 22, 2022 | 1.55 in |
| July 23, 2022 | 1.45 in |
| May 25, 2024 | 1.4 in |
Ground reports
Within this area, storm spotters and weather offices logged 93 hail reports since October 2020, and 26 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 Pennsylvania
- Crawford County: 61 days
- Mercer County: 43 days
- Warren County: 35 days
- Lycoming County: 30 days
- Lancaster County: 28 days
- Clinton County: 26 days