Hail history for Williamson County, Tennessee
Every NOAA hail report filed in Williamson County since 1961, with preliminary National Weather Service reports to November 3, 2026.
Readout · Williamson County
- Last hail
- Nov 7, 2025
- 1.00 in, quarter size
- Hail days, last 5 years
- 15
- since Nov 3, 2021 · 71 reports
- Largest ever
- 3.00 in
- teacup · May 20, 2025
197 reports on 90 days since 1961 · #3 of 96 Tennessee counties
Hail map · Williamson County
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
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What the record says about Williamson County
The latest hail report in Williamson County is from November 7, 2025, 1.00 in (quarter size). Since November 3, 2021 there have been 15 separate hail days; the biggest stones in that time were 3.00 in on May 20, 2025.
Over the 20 years 2006–2025, Williamson County logged 156 reports on 58 hail days, about 7.8 reports a year. That is 4.7 times the median Tennessee county (1.6 a year) and ranks #3 of 96 Tennessee counties for all-time reports. Williamson County holds 3% of all 7,198 hail reports in Tennessee.
10% of reports with a size were 2 inches (hen egg) or larger, against 4% for the median Tennessee county. The largest hail on record here is 3.00 in (teacup) on May 20, 2025 near 1.77 NW Peytonsville.
Reports were up 74% in 2016–2025 (99) compared with 2006–2015 (57). The busiest year was 2025, with 43 reports on 6 days. Hail here peaks in May (37% of reports); 65% fall between April and June.
Reports a year 2006–2025 average
- Williamson County 7.8
- Median Tennessee county 1.6
Hail days 2006–2025
- Williamson County 58
- Median Tennessee county 23
Share 2 in or larger of sized reports
- Williamson County 10%
- Median Tennessee county 4%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 6 | 7 | 29 | 1 | 43 | ||||||||
| 2024 | 17 | 1 | 18 | ||||||||||
| 2023 | 2 | 1 | 1 | 1 | 5 | ||||||||
| 2022 | 5 | 5 | |||||||||||
| 2021 | 11 | 2 | 13 | ||||||||||
| 2020 | 2 | 2 | |||||||||||
| 2019 | 1 | 2 | 1 | 4 | |||||||||
| 2018 | 1 | 3 | 4 | ||||||||||
| 2017 | 1 | 1 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Nov 7, 2025 | 1 | 1.00 in | — |
| May 20, 2025 | 25 | 3.00 in | — |
| May 8, 2025 | 4 | 2.00 in | — |
| Apr 3, 2025 | 7 | 2.50 in | — |
| Mar 30, 2025 | 5 | 2.00 in | — |
| Mar 23, 2025 | 1 | 1.00 in | — |
| Sep 24, 2024 | 1 | 0.88 in | — |
| May 26, 2024 | 11 | 3.00 in | — |
| May 6, 2024 | 6 | 2.00 in | — |
| Jun 4, 2023 | 1 | 0.88 in | — |
| May 7, 2023 | 1 | 0.75 in | — |
| Feb 16, 2023 | 1 | 1.50 in | — |
| Jan 12, 2023 | 2 | 1.00 in | — |
| Jul 12, 2022 | 4 | 1.75 in | — |
| Jul 7, 2022 | 1 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| May 20, 2025 | 3.00 inteacup | 1.77 NW Peytonsville | — | 15:42 local · NCEI |
| May 20, 2025 | 3.00 inteacup | 1.57 SW Douglas | — | 15:38 local · NCEI |
| May 26, 2024 | 3.00 inteacup | Leipers Fork | $100K | 14:05 local · NCEI |
| May 20, 2025 | 2.75 inbaseball | 6 SW Franklin | — | 15:36 local · NCEI |
| Apr 7, 2006 | 2.75 inbaseball | Franklin | — | 16:18 local · NCEI |
Size of every report
- Under 1 in 62 31%
- 1–2 in 116 59%
- 2 in + 19 10%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Nov 7, 2025 | 1.00 inquarter | 0.56 E Arrington | 19:12 local · NCEI |
| May 20, 2025 | 1.50 inping pong ball | 0.89 SE West Harpeth | 15:49 local · NCEI |
| May 20, 2025 | 2.00 inhen egg | 1.78 NE Douglas | 15:49 local · NCEI |
| May 20, 2025 | 1.75 ingolf ball | 0.56 W Trinity | 15:48 local · NCEI |
| May 20, 2025 | 1.50 inping pong ball | 1.38 N Epworth | 15:46 local · NCEI |
| May 20, 2025 | 1.00 inquarter | 0.56 W Trinity | 15:46 local · NCEI |
| May 20, 2025 | 1.00 inquarter | 0.69 S Mudsink | 15:45 local · NCEI |
| May 20, 2025 | 1.00 inquarter | 0.56 W Mudsink | 15:43 local · NCEI |
| May 20, 2025 | 3.00 inteacup | 1.77 NW Peytonsville | 15:42 local · NCEI |
| May 20, 2025 | 1.00 inquarter | 0.99 SW Mudsink | 15:42 local · NCEI |
| May 20, 2025 | 2.00 inhen egg | 1.29 WSW Mudsink | 15:42 local · NCEI |
| May 20, 2025 | 1.25 inhalf dollar | 1.71 NNE Douglas | 15:41 local · NCEI |
Cities and towns in Williamson County
| Place | Reports | Largest |
|---|---|---|
| Franklin | 65 | 3.00 in |
| Brentwood | 25 | 2.00 in |
| Fairview | 19 | 2.50 in |
| Thompson's Station | 19 | 3.00 in |
| Nolensville | 10 | 1.75 in |
Questions about hail in Williamson County
How often does it hail in Williamson County, Tennessee?
197 hail reports have been logged in Williamson County since 1961. Over the 20 years 2006–2025 that averages 7.8 reports a year. That ranks #3 of 96 Tennessee counties by number of reports.
When is hail season in Williamson County?
Most reports come in May, April, March. May alone accounts for 37% of all reports.
What is the largest hail recorded in Williamson County?
3.00 in (teacup size) on May 20, 2025 near 1.77 NW Peytonsville. 10% of reports here were 2 inches or larger.
When did it last hail in Williamson County?
The most recent report in this data is from November 7, 2025 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Williamson County had in the last five years?
15 separate days with hail reports since November 3, 2021, adding up to 71 reports. The most recent was November 7, 2025.
Where does this hail data come from?
Hail reports come from the NOAA NCEI Storm Events Database, which the National Weather Service compiles from spotter, public, law enforcement and media reports. Recent days use preliminary NWS Local Storm Reports via the Iowa Environmental Mesonet until NOAA publishes final data. Only reported hail is counted, so areas with fewer people tend to have fewer reports.