◆ HARPETH, TN HAIL HISTORY · WILLIAMSON COUNTY
Harpeth, TN hail history & hail map
Harpeth, Tennessee has had 3 hail events in the past 5 years, with hail up to 2.50″ (Tennis Ball). Most recent: Aug 8, 2026. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
3Hail events in the past 5 years
2.50″Largest recorded hail · Tennis Ball
2.50″Largest ground report (within 3 mi)
1.00″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Harpeth, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Harpeth
| Date | Peak hail | Sources |
|---|---|---|
| Aug 8, 2026 | 0.75″ Penny | Radar 0.75″ |
| May 20, 2025 | 2.50″ Tennis Ball | Radar 1.00″ · 10 ground reports (max 2.50″) |
| Apr 3, 2025 | 0.25″ Small | 1 ground report (max 0.25″) |
More Tennessee hail history
All Tennessee cities & hail days →
Events count days with NOAA MRMS radar hail over Harpeth (35.789, -86.861) 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.