Williamson County, Tennessee: hail history 2014–2026
Williamson County ranks #1 of 15 Tennessee counties for hail: 179.8 reports per 1,000 square miles, 105 reports in all. Hail reached 1 inch on 23 days and 1.75 inches on 9. Record: 3 inches (a teacup), May 20, 2025 near Douglas.
- 105reports
- 23days, 1 in+
- 9days, 1.75 in+
- 3 inlargest stone
Hail since my roof went on: Williamson County
Year by year
| Year | Reports | Days 1 in+ | Days 1.75 in+ | Largest |
|---|---|---|---|---|
| 2014 | 2 | 1 | 0 | 1 in |
| 2015 | 4 | 2 | 1 | 1.75 in |
| 2016 | 4 | 1 | 0 | 1 in |
| 2017 | 1 | 1 | 0 | 1 in |
| 2018 | 4 | 1 | 0 | 1 in |
| 2019 | 4 | 2 | 0 | 1.25 in |
| 2020 | 2 | 1 | 0 | 1 in |
| 2021 | 13 | 2 | 1 | 2.25 in |
| 2022 | 5 | 2 | 1 | 1.75 in |
| 2023 | 5 | 2 | 0 | 1.5 in |
| 2024 | 18 | 2 | 2 | 3 in |
| 2025 | 43 | 6 | 4 | 3 in |
2025 was the busiest year (43 reports) and 2017 the quietest (1). Williamson County averaged 14 reports a year from 2020 to 2025, 353% above the 3 of 2014 to 2019. Days with 1-inch stones average 1.9 per full year.
Williamson County: reports by month
| Jan | 2 |
|---|---|
| Feb | 1 |
| Mar | 18 |
| Apr | 9 |
| May | 49 |
| Jun | 11 |
| Jul | 9 |
| Aug | 2 |
| Sep | 2 |
| Oct | 1 |
| Nov | 1 |
| Dec | 0 |
May dominates the calendar: 49 of 105 reports, 47%. March to May alone bring 72%. 23 of 105 reports fell outside April to September.
Largest stone: 3 inches
Reported hail locations, Williamson County
- 561 to 1.74 in
- 271.75 to 2.74 in, golf ball to tennis ball
- 42.75 in and up, baseball
Largest plotted stone: 3 in. Bigger dots are bigger stones.
87 reports of 1 inch or larger have coordinates. Each dot is a reported location, not a storm path.
Sources: NOAA, Census county outlineWilliamson County’s ten biggest hail days
| Date | Size | Reports | Place |
|---|---|---|---|
| May 20, 2025 | 3 in, a teacup | 25 | Douglas |
| May 26, 2024 | 3 in, a teacup | 11 | Leipers Fork |
| April 3, 2025 | 2.5 in, a tennis ball | 7 | Craigfield |
| March 27, 2021 | 2.25 in, a hen egg | 8 | College Grove |
| May 6, 2024 | 2 in, a hen egg | 6 | Kirkland |
| March 30, 2025 | 2 in, a hen egg | 5 | Nolensville |
| May 8, 2025 | 2 in, a hen egg | 4 | Ewingville |
| July 12, 2022 | 1.75 in, a golf ball | 4 | Nolensville |
| July 14, 2015 | 1.75 in, a golf ball | 2 | Forest Home |
| February 16, 2023 | 1.5 in, a ping-pong ball | 1 | Triune |
“Three inch hail was reported in the Leipers Fork area. Many vehicles sustained damage due to broken windows and car dents. Damages are a rough estimate.”
NWS report, May 26, 2024
“Estimated tennis ball size hail fell at Pinewood Road and Highway 100 from a tornado-warned thunderstorm near Fairview.”
NWS report, April 3, 2025
Tornadoes and wind in Williamson County
7 tornadoes on record in Williamson County; the strongest listed is EF1, 10.48 miles long, near Berrys Chapel. Top gust: 85 mph near Calle.
| Date | Rating | Path length | Width | Near |
|---|---|---|---|---|
| March 1, 2017 | EF1 | 10.48 mi | 250 yd | Berrys Chapel |
| April 3, 2015 | EF0 | 5.6 mi | 75 yd | Kingfield |
| September 1, 2020 | EF0 | 2.8 mi | 25 yd | Bending Chestnut |
| August 12, 2023 | EF0 | 1.85 mi | 40 yd | Ewingville |
| March 30, 2025 | EF0 | 1.81 mi | 150 yd | Craigfield |
| May 9, 2021 | EF0 | 0.78 mi | 25 yd | Rudderville |
| February 6, 2019 | EF0 | 0.27 mi | 25 yd | New Hope |
| Date | Gust | Near |
|---|---|---|
| June 19, 2019 | 85 mph | Calle |
| March 1, 2017 | 81 mph | La Vergne |
| March 1, 2017 | 81 mph | Mallorys |
| November 5, 2018 | 75 mph | Thompsons Station |
| June 5, 2014 | 70 mph | Parry |
| March 9, 2017 | 70 mph | Craigfield |
Homes in Williamson County
Median build year in Williamson County: 2001. 47.7% of 94,418 homes predate 2000. Houses permitted since 2014: 20,460, or 216.7 per 1,000 homes. Busiest year: 2021.
| pre-1940 | 2.1% |
|---|---|
| 1940s | 0.6% |
| 1950s | 1.6% |
| 1960s | 3.6% |
| 1970s | 9.4% |
| 1980s | 11.2% |
| 1990s | 19.2% |
| 2000s | 23.0% |
| 2010s | 26.5% |
| 2020+ | 2.9% |
| Year | Houses | All units |
|---|---|---|
| 2014 | 1,566 | 1,902 |
| 2015 | 1,947 | 2,304 |
| 2016 | 1,967 | 2,759 |
| 2017 | 1,932 | 2,859 |
| 2018 | 1,716 | 2,121 |
| 2019 | 1,798 | 2,467 |
| 2020 | 1,769 | 2,284 |
| 2021 | 2,073 | 2,980 |
| 2022 | 1,679 | 2,254 |
| 2023 | 1,370 | 1,432 |
| 2024 | 1,357 | 1,994 |
| 2025 | 1,286 | 1,621 |
Quick answers
How many hail reports has Williamson County had?
NOAA logged 105 hail reports in Williamson County, Tennessee, from 2014 to 2025.
How many days had hail of 1 inch or larger in Williamson County?
23 days, including 9 days with hail of 1.75 inches or larger. The National Weather Service calls hail of 1 inch or larger severe.
What was the largest hail reported in Williamson County?
3 inches (a teacup), reported on May 20, 2025.
Which month has the most hail in Williamson County?
May has the most reports, 47% of the 105 in the record.
Does a hail day in the record mean my roof was damaged?
A counted day only means a spotter reported hail somewhere in the area. An inspection is the only way to know whether a roof was hit.
Next steps for Williamson County
Williamson County cities we cover
Cite this page
Data version: NOAA Storm Events hail data, 2014 to June 2026, loaded October 6, 2026. All dataset versions. Download the table as CSV. Free to quote with credit under CC BY 4.0.
Source: NOAA Storm Events Database, public domain. Counts and tables on this page are free to reuse with credit to PickARoofer under CC BY 4.0.