Hail in Jefferson County, Oregon
Radar recorded hail of 1 inch or larger in Jefferson County on 7 days since October 2020. That is more than 11% of US counties. It ranks 15 of 36 in Oregon.
The largest radar estimate was 2.6 inches on May 20, 2023. The most recent 1-inch day was September 8, 2025. 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 | 0 |
| 2022 | 0 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 3 |
| 2026 | 0 |
Largest hail days
| Storm day | Radar estimate |
|---|---|
| May 20, 2023 | 2.6 in |
| May 19, 2023 | 2.1 in |
| May 18, 2023 | 1.4 in |
| August 17, 2024 | 1.2 in |
| September 6, 2025 | 1.2 in |
| July 1, 2025 | 1 in |
Ground reports
Within this area, storm spotters and weather offices logged 2 hail reports since October 2020, and 4 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 Oregon
- Malheur County: 36 days
- Klamath County: 31 days
- Wallowa County: 27 days
- Baker County: 25 days
- Grant County: 22 days
- Deschutes County: 21 days