Hail history for Williamson County, Texas
Every NOAA hail report filed in Williamson County since 1959, with preliminary National Weather Service reports to November 3, 2026.
Readout · Williamson County
- Last hail
- May 26, 2026
- 1.00 in, quarter size
- Hail days, last 5 years
- 29
- since Nov 3, 2021 · 160 reports
- Largest ever
- 4.00 in
- grapefruit · May 30, 2024
458 reports on 184 days since 1959 · #24 of 255 Texas 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 May 26, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 29 separate hail days; the biggest stones in that time were 4.00 in on May 30, 2024.
Over the 20 years 2006–2025, Williamson County logged 307 reports on 79 hail days, about 15.3 reports a year. That is 4.3 times the median Texas county (3.5 a year) and ranks #24 of 255 Texas counties for all-time reports. Williamson County holds 1% of all 55,619 hail reports in Texas.
12% of reports with a size were 2 inches (hen egg) or larger, against 12% for the median Texas county. The largest hail on record here is 4.00 in (grapefruit) on May 30, 2024 near 0.69 S Coupland.
Reports were up 95% in 2016–2025 (203) compared with 2006–2015 (104). The busiest year was 2025, with 73 reports on 10 days. Hail here peaks in April (30% of reports); 66% fall between April and June.
Reports a year 2006–2025 average
- Williamson County 15.3
- Median Texas county 3.5
Hail days 2006–2025
- Williamson County 79
- Median Texas county 42
Share 2 in or larger of sized reports
- Williamson County 12%
- Median Texas county 12%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 3 | 6 | 9 | ||||||||||
| 2025 | 12 | 27 | 34 | 73 | |||||||||
| 2024 | 4 | 11 | 15 | ||||||||||
| 2023 | 1 | 16 | 4 | 31 | 52 | ||||||||
| 2022 | 3 | 5 | 3 | 11 | |||||||||
| 2021 | 1 | 11 | 12 | ||||||||||
| 2020 | 2 | 1 | 9 | 12 | |||||||||
| 2019 | 4 | 4 | 8 | ||||||||||
| 2018 | 3 | 2 | 1 | 2 | 8 | ||||||||
| 2017 | 1 | 4 | 4 | 1 | 1 | 11 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| May 26, 2026 | 1 | 1.00 in | — |
| May 19, 2026 | 3 | 1.00 in | — |
| May 10, 2026 | 1 | 1.00 in | — |
| May 9, 2026 | 1 | 0.75 in | — |
| Apr 18, 2026 | 3 | 1.00 in | — |
| May 28, 2025 | 8 | 2.00 in | — |
| May 16, 2025 | 21 | 3.00 in | — |
| May 6, 2025 | 2 | 1.25 in | — |
| May 5, 2025 | 2 | 0.75 in | — |
| May 1, 2025 | 1 | 1.00 in | — |
| Apr 30, 2025 | 8 | 2.50 in | — |
| Apr 22, 2025 | 19 | 2.50 in | — |
| Mar 30, 2025 | 2 | 1.00 in | — |
| Mar 23, 2025 | 9 | 1.25 in | — |
| Mar 15, 2025 | 1 | 0.75 in | — |
| May 30, 2024 | 6 | 4.00 in | — |
| May 9, 2024 | 5 | 1.75 in | — |
| Apr 9, 2024 | 4 | 1.75 in | — |
| Sep 24, 2023 | 31 | 4.00 in | — |
| Jun 16, 2023 | 2 | 1.75 in | — |
| Jun 3, 2023 | 2 | 0.75 in | — |
| Apr 28, 2023 | 13 | 1.75 in | — |
| Apr 26, 2023 | 2 | 1.00 in | — |
| Apr 20, 2023 | 1 | 1.50 in | — |
| Mar 2, 2023 | 1 | 0.75 in | — |
| May 5, 2022 | 3 | 1.50 in | — |
| Apr 30, 2022 | 4 | 1.75 in | — |
| Apr 12, 2022 | 1 | 1.00 in | — |
| Mar 21, 2022 | 3 | 0.88 in | — |
Largest hail on record
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| May 30, 2024 | 4.00 ingrapefruit | 0.69 S Coupland | — | 18:05 local · NCEI |
| Sep 24, 2023 | 4.00 ingrapefruit | 2.07 N Round Rock | $300.0 million | 20:21 local · NCEI |
| May 14, 2008 | 4.00 ingrapefruit | 2.39 NNW Round Rock | — | 20:35 local · NCEI |
| Sep 24, 2023 | 3.75 inteacup | 1.5 NNW Round Rock | — | 20:27 local · NCEI |
| Sep 24, 2023 | 3.50 inteacup | 2.83 NNW Round Rock | — | 19:57 local · NCEI |
Size of every report
- Under 1 in 111 24%
- 1–2 in 290 63%
- 2 in + 56 12%
- No size 1
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| May 26, 2026 | 1.00 inquarter | 4.99 ESE Andice | 19:01 local · NCEI |
| May 19, 2026 | 1.00 inquarter | Andice | 19:19 local · NCEI |
| May 19, 2026 | 1.00 inquarter | 2.39 NNE Keelersville | 17:53 local · NCEI |
| May 19, 2026 | 1.00 inquarter | 0.59 W Granger | 17:36 local · NCEI |
| May 10, 2026 | 1.00 inquarter | 5.1 SE Florence | 19:59 local · NCEI |
| May 9, 2026 | 0.75 inpenny | 4.99 WNW Georgetown Muni Arpt | 10:51 local · NCEI |
| Apr 18, 2026 | 1.00 inquarter | 2.26 SE Georgetown | 19:02 local · NCEI |
| Apr 18, 2026 | 0.88 innickel | 2.75 WNW Round Rock | 18:50 local · NCEI |
| Apr 18, 2026 | 1.00 inquarter | 2.48 ENE Cedar Park | 18:47 local · NCEI |
| May 28, 2025 | 1.50 inping pong ball | 0.6 E Cedar Park | 17:16 local · NCEI |
| May 28, 2025 | 1.50 inping pong ball | 0.91 NW White Stone | 17:08 local · NCEI |
| May 28, 2025 | 1.00 inquarter | 0.71 NNW Cedar Park | 17:06 local · NCEI |
Cities and towns in Williamson County
| Place | Reports | Largest |
|---|---|---|
| Georgetown | 94 | 2.75 in |
| Leander | 80 | 3.00 in |
| Round Rock | 75 | 4.00 in |
| Cedar Park | 41 | 4.00 in |
| Liberty Hill | 25 | 3.00 in |
| Hutto | 23 | 2.00 in |
| Taylor | 21 | 2.75 in |
| Sonterra | 13 | 1.75 in |
| Jarrell | 10 | 2.75 in |
Smaller places with fewer than 10 reports
These places have too few reports for a page of their own, so their record lives here.
| Place | Reports | Hail days | Latest |
|---|---|---|---|
| Brushy Creek | 8 | 5 | Apr 18, 2026 |
| Florence | 8 | 8 | Sep 24, 2023 |
| Coupland | 7 | 6 | May 30, 2024 |
| Weir | 5 | 4 | Mar 22, 2021 |
| Granger | 4 | 4 | May 19, 2026 |
| Santa Rita Ranch | 3 | 3 | May 5, 2025 |
Questions about hail in Williamson County
How often does it hail in Williamson County, Texas?
458 hail reports have been logged in Williamson County since 1959. Over the 20 years 2006–2025 that averages 15.3 reports a year. That ranks #24 of 255 Texas counties by number of reports.
When is hail season in Williamson County?
Most reports come in April, May, March. April alone accounts for 30% of all reports.
What is the largest hail recorded in Williamson County?
4.00 in (grapefruit size) on May 30, 2024 near 0.69 S Coupland. 12% 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 May 26, 2026 (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?
29 separate days with hail reports since November 3, 2021, adding up to 160 reports. The most recent was May 26, 2026.
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.