◆ TRINITY, TN HAIL HISTORY · WILLIAMSON COUNTY
Trinity, TN hail history & hail map
Trinity, Tennessee has had 6 hail events in the past 5 years, with hail up to 1.75″ (Golf Ball). Most recent: May 20, 2025. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
6Hail events in the past 5 years
1.75″Largest recorded hail · Golf Ball
1.75″Largest ground report (within 3 mi)
1.00″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Trinity, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Trinity
| Date | Peak hail | Sources |
|---|---|---|
| May 20, 2025 | 1.75″ Golf Ball | 12 ground reports (max 1.75″) |
| Mar 31, 2025 | 1.50″ Ping Pong Ball | Radar 1.00″ · 2 ground reports (max 1.50″) |
| Mar 23, 2025 | 1.00″ Quarter | 2 ground reports (max 1.00″) |
| Sep 24, 2024 | 0.88″ Nickel | 1 ground report (max 0.88″) |
| May 26, 2024 | 1.25″ Half Dollar | 1 ground report (max 1.25″) |
| Apr 13, 2022 | 0.38″ Small | 1 ground report (max 0.38″) |
More Tennessee hail history
All Tennessee cities & hail days →
Events count days with NOAA MRMS radar hail over Trinity (35.920, -86.780) 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.