Preliminary NWS reports for Austin on April 30, 2025 via the Storm Prediction Center. NCEI check for Austin on Apr 30, 2025: NCEI final record: confirmed (StormEvents_details-ftp_v1.0_d2025_c20260819.csv.gz, compiled August 19, 2026). The Austin record that holds Apr 30, 2025 last changed October 13, 2026.
The Day In Numbers
| Reports of 1 inch or larger | 7 |
|---|---|
| Counties reporting | 1: Williamson |
| Largest stone (inches) | 2.5 |
| Reports 1.75 inches or larger | 2 |
For Austin, the Storm Prediction Center date runs from 12:00 UTC on April 30, 2025 to 12:00 UTC the next day, soAustin reports timed 00:00 to 11:59 UTC happened on the evening of April 30, 2025 in Texas. For Austin on Apr 30, 2025, stone size is the diameter in inches as reported to the National Weather Service.
Every Report
| Time (UTC) | Size (inches) | Location | County |
|---|---|---|---|
| 01:00 | 1.5 | 4 W Andice | Williamson |
| 01:40 | 1 | 2 SE Jarrell | Williamson |
| 03:28 | 1 | 3 S Hutto | Williamson |
| 03:29 | 1 | 2 N Hutto | Williamson |
| 03:30 | 1.75 | 1 NE Hutto | Williamson |
| 03:40 | 2.5 | 2 SW Taylor | Williamson |
| 03:44 | 1.25 | 2 NW Taylor | Williamson |
Largest Report On April 30, 2025
The largest stone reported on April 30, 2025 was 2.5 inches at 2 SW Taylor, Williamson County, timed 03:40 UTC.No other Austin report on Apr 30, 2025 matched 2.5 inches. The note the Austin area forecast office attached to it on April 30, 2025 reads: “Tennis ball sized hail observed near Taylor High School; (EWX)”
Reports By County On Apr 30, 2025
| County | Reports | Largest (inches) | Sizes in report order (inches) |
|---|---|---|---|
| Williamson | 7 | 2.5 | 1.5, 1, 1, 1, 1.75, 2.5, 1.25 |
All 7 reports on April 30, 2025 came from Williamson County. Williamson County logged 7 reports with a largest stone of 2.5 inches on April 30, 2025.
What The Reporters Wrote
- 01:00 UTC, 4 W Andice, Williamson County, 1.5 inches: Reported at CR208 and CR236; (EWX)
- 01:40 UTC, 2 SE Jarrell, Williamson County, 1 inch: Report from mPING; (EWX)
- 03:28 UTC, 3 S Hutto, Williamson County, 1 inch: (EWX)
- 03:29 UTC, 2 N Hutto, Williamson County, 1 inch: Report from mPING; (EWX)
- 03:30 UTC, 1 NE Hutto, Williamson County, 1.75 inches: (EWX)
- 03:40 UTC, 2 SW Taylor, Williamson County, 2.5 inches: Tennis ball sized hail observed near Taylor High School; (EWX)
- 03:44 UTC, 2 NW Taylor, Williamson County, 1.25 inches: (EWX)
Other Hail Days Within 30 Days Of Apr 30, 2025
7 other days in the Austin record had hail of 1 inch or larger within 30 days of April 30, 2025. A Austin roof hit on April 30, 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, 1 day after Apr 30, 2025: May 1, 2025, 1 report, largest 1 inch.
- Austin, 5 days after Apr 30, 2025: May 5, 2025, 2 reports, largest 1.25 inches.
- Austin, 6 days after Apr 30, 2025: May 6, 2025, 2 reports, largest 1.25 inches.
- Austin, 8 days before Apr 30, 2025: April 22, 2025, 15 reports, largest 2.5 inches.
- Austin, 16 days after Apr 30, 2025: May 16, 2025, 18 reports, largest 3 inches.
- Austin, 22 days after Apr 30, 2025: May 22, 2025, 13 reports, largest 2.75 inches.
- Austin, 28 days after Apr 30, 2025: May 28, 2025, 12 reports, largest 2 inches.
Re-Roof Permits In The 30 Days After Apr 30, 2025
The City of Austin permit file lists 75 re-roof permits issued from May 1, 2025 to May 30, 2025, the 30 days after April 30, 2025. For scale, the same file averages about 45 per 30 days from October 11, 2023 to October 9, 2026, so the Apr 30, 2025 window came in above that average. The 75 City of Austin permits counted after April 30, 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 April 30, 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 April 30, 2025, pulled October 13, 2026. The Austin file for Apr 30, 2025 is preliminary: forecast offices logged its 7 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 Apr 30, 2025 it is checked against a file that reaches June 2, 2026, 398 days later. For April 30, 2025 in Austin the NCEI record does list hail, so a reviewed entry exists for this date. Sizes and counts for Austin on Apr 30, 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 April 30, 2025 with your address, then get a documented inspection before you file anything. See the Austin hail history for how Apr 30, 2025 compares. For a Austin roof after April 30, 2025, the hail claim calculator shows whether a claim nets anything after your deductible. Before you sign anything in Austin after Apr 30, 2025, use the check-a-roofer guide. For a Austin roof hit on April 30, 2025, chapter 707 bars a Texas contractor from negotiating the claim for you. After Apr 30, 2025, see the Austin roofing company ranking and the company directory.
Previous storm day: April 22, 2025 | Next storm day: May 16, 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 April 30, 2025, pulled October 13, 2026, preliminary and subject to review. https://www.spc.noaa.gov/climo/reports/250430_rpts.html.
- NOAA National Centers for Environmental Information, Storm Events Database bulk files, the record the Austin April 30, 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 75 permits counted after April 30, 2025. https://data.austintexas.gov/resource/3syk-w9eu.