◆ SENECA, SC HAIL HISTORY · OCONEE COUNTY
Seneca, SC hail history & hail map
Seneca, South Carolina has had 4 hail events in the past 5 years, with hail up to 1.00″ (Quarter). Most recent: Aug 22, 2026. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
4Hail events in the past 5 years
1.00″Largest recorded hail · Quarter
1.00″Largest ground report (within 3 mi)
—Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Seneca, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Seneca
| Date | Peak hail | Sources |
|---|---|---|
| Aug 22, 2026 | 1.00″ Quarter | 3 ground reports (max 1.00″) |
| Jun 1, 2026 | 1.00″ Quarter | 2 ground reports (max 1.00″) |
| May 2, 2025 | 1.00″ Quarter | 1 ground report (max 1.00″) |
| Jun 17, 2022 | 0.75″ Penny | 1 ground report (max 0.75″) |
More South Carolina hail history
All South Carolina cities & hail days →
Events count days with NOAA MRMS radar hail over Seneca (34.670, -82.970) or an NWS / CoCoRaHS hail report within 3 miles. Data window: NOAA MRMS radar hail swaths Oct 2021 – Nov 2026; NWS / NCEI Storm Events reports Nov 2024 – Jul 2026; CoCoRaHS volunteer reports Oct 2021 – present. Radar hail sizes are estimates, not ground truth; hail at any single address can differ.