Preliminary NWS reports for San Antonio on May 2, 2025 via the Storm Prediction Center. NCEI check for San Antonio on May 2, 2025: NCEI final record: confirmed (StormEvents_details-ftp_v1.0_d2025_c20260819.csv.gz, compiled August 19, 2026). The San Antonio record that holds May 2, 2025 last changed October 17, 2026.
The Day In Numbers
| Reports of 1 inch or larger | 10 |
|---|---|
| Counties reporting | 4: Bexar, Comal, Guadalupe, Kendall |
| Largest stone (inches) | 1.5 |
| Reports 1.75 inches or larger | 0 |
For San Antonio, the Storm Prediction Center date runs from 12:00 UTC on May 2, 2025 to 12:00 UTC the next day, soSan Antonio reports timed 00:00 to 11:59 UTC happened on the evening of May 2, 2025 in Texas. For San Antonio on May 2, 2025, stone size is the diameter in inches as reported to the National Weather Service.
Every Report
| Time (UTC) | Size (inches) | Location | County |
|---|---|---|---|
| 00:07 | 1 | Cibolo | Guadalupe |
| 20:46 | 1 | 6 S Sisterdale | Kendall |
| 21:33 | 1.5 | 2 NNE Bulverde | Comal |
| 21:35 | 1 | 2 E Timberwood Park | Bexar |
| 21:50 | 1 | 6 NW Garden Ridge | Comal |
| 21:50 | 1 | New Braunfels | Comal |
| 21:51 | 1 | 5 NNW Garden Ridge | Comal |
| 22:15 | 1.5 | Marion | Guadalupe |
| 22:15 | 1.5 | 3 SE New Braunfels | Guadalupe |
| 22:42 | 1 | 2 SE Seguin | Guadalupe |
Largest Report On May 2, 2025
The largest stone reported on May 2, 2025 was 1.5 inches at 2 NNE Bulverde, Comal County, timed 21:33 UTC.3 San Antonio reports on May 2, 2025 tied at 1.5 inches, and this is the earliest of them. The note the San Antonio area forecast office attached to it on May 2, 2025 reads: “Max size up to ping pong ball with large volume of dime to quarter size hail; (EWX)”
Reports By County On May 2, 2025
| County | Reports | Largest (inches) | Sizes in report order (inches) |
|---|---|---|---|
| Comal | 4 | 1.5 | 1.5, 1, 1, 1 |
| Guadalupe | 4 | 1.5 | 1, 1.5, 1.5, 1 |
| Bexar | 1 | 1 | 1 |
| Kendall | 1 | 1 | 1 |
The 10 reports on May 2, 2025 were spread over 4 counties, and Comal County held the largest stone at 1.5 inches. Comal County logged 4 reports with a largest stone of 1.5 inches on May 2, 2025. Guadalupe County logged 4 reports with a largest stone of 1.5 inches on May 2, 2025. Bexar County logged 1 report with a largest stone of 1 inch on May 2, 2025. Kendall County logged 1 report with a largest stone of 1 inch on May 2, 2025.
What The Reporters Wrote
- 00:07 UTC, Cibolo, Guadalupe County, 1 inch: (EWX)
- 20:46 UTC, 6 S Sisterdale, Kendall County, 1 inch: Hail size varied between 1/2 inch to 1 inch in diameter; Time estimated using radar data; (EWX)
- 21:33 UTC, 2 NNE Bulverde, Comal County, 1.5 inches: Max size up to ping pong ball with large volume of dime to quarter size hail; (EWX)
- 21:35 UTC, 2 E Timberwood Park, Bexar County, 1 inch: Report from mPING; (EWX)
- 21:50 UTC, 6 NW Garden Ridge, Comal County, 1 inch: (EWX)
- 21:50 UTC, New Braunfels, Comal County, 1 inch: Public reports estimated quarter sized hail in New Braunfels; (EWX)
- 21:51 UTC, 5 NNW Garden Ridge, Comal County, 1 inch: Dime to quarter size hail near Natural Bridge Caverns; (EWX)
- 22:15 UTC, Marion, Guadalupe County, 1.5 inches: Accompanied by torrential rainfall, Along HWY 78; (EWX)
- 22:15 UTC, 3 SE New Braunfels, Guadalupe County, 1.5 inches: Report from mPING: Ping Pong Ball (1.50 in.); (EWX)
- 22:42 UTC, 2 SE Seguin, Guadalupe County, 1 inch: (EWX)
Other Hail Days Within 30 Days Of May 2, 2025
4 other days in the San Antonio record had hail of 1 inch or larger within 30 days of May 2, 2025. A San Antonio roof hit on May 2, 2025 and again on one of these dates can carry damage from both, which matters when a claim is filed for only one date.
- San Antonio, 2 days before May 2, 2025: April 30, 2025, 4 reports, largest 3 inches.
- San Antonio, 3 days after May 2, 2025: May 5, 2025, 1 report, largest 1 inch.
- San Antonio, 4 days after May 2, 2025: May 6, 2025, 2 reports, largest 1 inch.
- San Antonio, 24 days after May 2, 2025: May 26, 2025, 12 reports, largest 3 inches.
Re-Roof Permits In The 30 Days After May 2, 2025
The City of San Antonio permit file lists 863 re-roof permits issued from May 3, 2025 to June 1, 2025, the 30 days after May 2, 2025. For scale, the same file averages about 413 per 30 days from November 30, 2020 to September 25, 2026, so the May 2, 2025 window came in above that average. The 863 City of San Antonio permits counted after May 2, 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 San Antonio count after May 2, 2025: https://data.sanantonio.gov/dataset/building-permits, City of San Antonio, Development Services Department, loaded through September 25, 2026.
Reading A Preliminary Record Against The Final One
The reports above come from the Storm Prediction Center file for San Antonio on May 2, 2025, pulled October 17, 2026. The San Antonio file for May 2, 2025 is preliminary: forecast offices logged its 10 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 San Antonio on May 2, 2025 it is checked against a file that reaches May 26, 2026, 389 days later. For May 2, 2025 in San Antonio the NCEI record does list hail, so a reviewed entry exists for this date. Sizes and counts for San Antonio on May 2, 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 San Antonio report locations for May 2, 2025 with your address, then get a documented inspection before you file anything. See the San Antonio hail history for how May 2, 2025 compares. For a San Antonio roof after May 2, 2025, the hail claim calculator shows whether a claim nets anything after your deductible. Before you sign anything in San Antonio after May 2, 2025, use the check-a-roofer guide. For a San Antonio roof hit on May 2, 2025, chapter 707 bars a Texas contractor from negotiating the claim for you. After May 2, 2025, see the San Antonio roofing company ranking and the company directory.
Previous storm day: April 30, 2025 | Next storm day: May 26, 2025 | All San Antonio storm days | Earliest storm day: January 23, 2024 | Latest storm day: September 11, 2026
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Sources
- NOAA Storm Prediction Center, preliminary local storm reports for San Antonio on May 2, 2025, pulled October 17, 2026, preliminary and subject to review. https://www.spc.noaa.gov/climo/reports/250502_rpts.html.
- NOAA National Centers for Environmental Information, Storm Events Database bulk files, the record the San Antonio May 2, 2025 status line above checks (record reaches May 26, 2026, pulled October 17, 2026, reviewed record). https://www.ncei.noaa.gov/pub/data/swdi/stormevents/csvfiles/.
- City of San Antonio, Development Services Department, re-roof permit file, loaded through September 25, 2026, used for the 863 permits counted after May 2, 2025. https://data.sanantonio.gov/dataset/building-permits.