Preliminary NWS reports for Austin on May 16, 2025 via the Storm Prediction Center. NCEI check for Austin on May 16, 2025: NCEI final record: confirmed (StormEvents_details-ftp_v1.0_d2025_c20260819.csv.gz, compiled August 19, 2026). The Austin record that holds May 16, 2025 last changed October 13, 2026.
The Day In Numbers
| Reports of 1 inch or larger | 18 |
|---|---|
| Counties reporting | 1: Williamson |
| Largest stone (inches) | 3 |
| Reports 1.75 inches or larger | 8 |
For Austin, the Storm Prediction Center date runs from 12:00 UTC on May 16, 2025 to 12:00 UTC the next day, soAustin reports timed 00:00 to 11:59 UTC happened on the evening of May 16, 2025 in Texas. For Austin on May 16, 2025, stone size is the diameter in inches as reported to the National Weather Service.
Every Report
| Time (UTC) | Size (inches) | Location | County |
|---|---|---|---|
| 01:33 | 1 | 6 W Liberty Hill | Williamson |
| 01:36 | 1.25 | 2 N Liberty Hill | Williamson |
| 01:41 | 1.25 | 3 S Liberty Hill | Williamson |
| 01:47 | 1.75 | 2 N Leander | Williamson |
| 01:52 | 2 | 1 WNW Leander | Williamson |
| 01:52 | 1.75 | 1 NNW Leander | Williamson |
| 01:52 | 2.75 | 2 NW Leander | Williamson |
| 01:53 | 3 | 4 NW Leander | Williamson |
| 01:54 | 2.5 | 2 NNW Leander | Williamson |
| 01:54 | 2.75 | 3 NNW Leander | Williamson |
| 01:55 | 1.5 | 2 N Leander | Williamson |
| 01:55 | 1.5 | 2 NNW Leander | Williamson |
| 01:59 | 1 | Leander | Williamson |
| 02:00 | 1 | 4 SE Liberty Hill | Williamson |
| 02:02 | 1.5 | 3 SW Liberty Hill | Williamson |
| 02:04 | 1.75 | 3 S Liberty Hill | Williamson |
| 02:04 | 1.5 | 4 SE Liberty Hill | Williamson |
| 02:20 | 1 | 5 ENE Leander | Williamson |
Largest Report On May 16, 2025
The largest stone reported on May 16, 2025 was 3 inches at 4 NW Leander, Williamson County, timed 01:53 UTC.No other Austin report on May 16, 2025 matched 3 inches. The note the Austin area forecast office attached to it on May 16, 2025 reads: “Hail photographed alongside ruler; (EWX)”
Reports By County On May 16, 2025
| County | Reports | Largest (inches) | Sizes in report order (inches) |
|---|---|---|---|
| Williamson | 18 | 3 | 1, 1.25, 1.25, 1.75, 2, 1.75, 2.75, 3, 2.5, 2.75, 1.5, 1.5, 1, 1, 1.5, 1.75, 1.5, 1 |
All 18 reports on May 16, 2025 came from Williamson County. Williamson County logged 18 reports with a largest stone of 3 inches on May 16, 2025.
What The Reporters Wrote
- 01:33 UTC, 6 W Liberty Hill, Williamson County, 1 inch: Report from mPING; (EWX)
- 01:36 UTC, 2 N Liberty Hill, Williamson County, 1.25 inches: Report from mPING; (EWX)
- 01:41 UTC, 3 S Liberty Hill, Williamson County, 1.25 inches: Report from mPING; (EWX)
- 01:47 UTC, 2 N Leander, Williamson County, 1.75 inches: CoCoRAHS report of hail from pea size to golf ball size for 18 minutes; Shredded leaves and dents in cars reported; (EWX)
- 01:52 UTC, 1 WNW Leander, Williamson County, 2 inches: Photo provided with ruler in the Carneros Ranch neighborhood; Time estimated via radar; Hail duration was very brief; (EWX)
- 01:52 UTC, 1 NNW Leander, Williamson County, 1.75 inches: Located near North Creek Ranch in Leander; (EWX)
- 01:52 UTC, 2 NW Leander, Williamson County, 2.75 inches: Photo with ruler received from media; Time and location estimated using radar; (EWX)
- 01:53 UTC, 4 NW Leander, Williamson County, 3 inches: Hail photographed alongside ruler; (EWX)
- 01:54 UTC, 2 NNW Leander, Williamson County, 2.5 inches: Hen egg to tennis ball size hail measured with ruler; Time estimated using radar; (EWX)
- 01:54 UTC, 3 NNW Leander, Williamson County, 2.75 inches: Public photo with ruler in the Deerbrooke neighborhood; Time estimated via radar; (EWX)
- 01:55 UTC, 2 N Leander, Williamson County, 1.5 inches: Report from mPING; (EWX)
- 01:55 UTC, 2 NNW Leander, Williamson County, 1.5 inches: near Plain Elementary School; Time estimated via radar; (EWX)
- 01:59 UTC, Leander, Williamson County, 1 inch: Storm spotter reported 1 in hail; (EWX)
- 02:00 UTC, 4 SE Liberty Hill, Williamson County, 1 inch: Report from mPING; (EWX)
- 02:02 UTC, 3 SW Liberty Hill, Williamson County, 1.5 inches: Report from mPING; (EWX)
- 02:04 UTC, 3 S Liberty Hill, Williamson County, 1.75 inches: Report from mPING; (EWX)
- 02:04 UTC, 4 SE Liberty Hill, Williamson County, 1.5 inches: Report from mPING; (EWX)
- 02:20 UTC, 5 ENE Leander, Williamson County, 1 inch: Hail up to quarter size estimated from photo received from public; Time estimated using radar; (EWX)
Other Hail Days Within 30 Days Of May 16, 2025
7 other days in the Austin record had hail of 1 inch or larger within 30 days of May 16, 2025. A Austin roof hit on May 16, 2025 and again on one of these dates can carry damage from both, which matters when a claim is filed for only one date.
- Austin, 6 days after May 16, 2025: May 22, 2025, 13 reports, largest 2.75 inches.
- Austin, 10 days before May 16, 2025: May 6, 2025, 2 reports, largest 1.25 inches.
- Austin, 11 days before May 16, 2025: May 5, 2025, 2 reports, largest 1.25 inches.
- Austin, 12 days after May 16, 2025: May 28, 2025, 12 reports, largest 2 inches.
- Austin, 15 days before May 16, 2025: May 1, 2025, 1 report, largest 1 inch.
- Austin, 16 days before May 16, 2025: April 30, 2025, 7 reports, largest 2.5 inches.
- Austin, 24 days before May 16, 2025: April 22, 2025, 15 reports, largest 2.5 inches.
Re-Roof Permits In The 30 Days After May 16, 2025
The City of Austin permit file lists 15 re-roof permits issued from May 17, 2025 to June 15, 2025, the 30 days after May 16, 2025. For scale, the same file averages about 45 per 30 days from October 11, 2023 to October 9, 2026, so the May 16, 2025 window came in below that average. The 15 City of Austin permits counted after May 16, 2025 include every re-roof permit in that window, not only roofs hit by hail, and a permit shows work that was filed, not that hail caused it. Dataset for the City of Austin count after May 16, 2025: https://data.austintexas.gov/resource/3syk-w9eu, City of Austin, Issued Construction Permits (Austin Open Data), loaded through October 9, 2026.
Reading A Preliminary Record Against The Final One
The reports above come from the Storm Prediction Center file for Austin on May 16, 2025, pulled October 13, 2026. The Austin file for May 16, 2025 is preliminary: forecast offices logged its 18 reports as they arrived, and a spotter, a broadcaster or a social media post can each be the source. The NCEI Storm Events record is the reviewed version, and for Austin on May 16, 2025 it is checked against a file that reaches June 2, 2026, 382 days later. For May 16, 2025 in Austin the NCEI record does list hail, so a reviewed entry exists for this date. Sizes and counts for Austin on May 16, 2025 can still differ between the two records, so use the NCEI entry when the two disagree.
If Your Roof Was Under This
Compare the Austin report locations for May 16, 2025 with your address, then get a documented inspection before you file anything. See the Austin hail history for how May 16, 2025 compares. For a Austin roof after May 16, 2025, the hail claim calculator shows whether a claim nets anything after your deductible. Before you sign anything in Austin after May 16, 2025, use the check-a-roofer guide. For a Austin roof hit on May 16, 2025, chapter 707 bars a Texas contractor from negotiating the claim for you. After May 16, 2025, see the Austin roofing company ranking and the company directory.
Previous storm day: April 30, 2025 | Next storm day: May 22, 2025 | All Austin storm days | Earliest storm day: April 1, 2024 | Latest storm day: May 19, 2026
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Sources
- NOAA Storm Prediction Center, preliminary local storm reports for Austin on May 16, 2025, pulled October 13, 2026, preliminary and subject to review. https://www.spc.noaa.gov/climo/reports/250516_rpts.html.
- NOAA National Centers for Environmental Information, Storm Events Database bulk files, the record the Austin May 16, 2025 status line above checks (record reaches June 2, 2026, pulled October 13, 2026, reviewed record). https://www.ncei.noaa.gov/pub/data/swdi/stormevents/csvfiles/.
- City of Austin, Issued Construction Permits (Austin Open Data), re-roof permit file, loaded through October 9, 2026, used for the 15 permits counted after May 16, 2025. https://data.austintexas.gov/resource/3syk-w9eu.