Preliminary NWS reports for San Antonio on March 23, 2025 via the Storm Prediction Center. NCEI check for San Antonio on Mar 23, 2025: NCEI final record: confirmed (StormEvents_details-ftp_v1.0_d2025_c20260819.csv.gz, compiled August 19, 2026). The San Antonio record that holds Mar 23, 2025 last changed October 17, 2026.
The Day In Numbers
| Reports of 1 inch or larger | 6 |
|---|---|
| Counties reporting | 4: Bandera, Bexar, Comal, Kendall |
| Largest stone (inches) | 1 |
| Reports 1.75 inches or larger | 0 |
For San Antonio, the Storm Prediction Center date runs from 12:00 UTC on March 23, 2025 to 12:00 UTC the next day, soSan Antonio reports timed 00:00 to 11:59 UTC happened on the evening of March 23, 2025 in Texas. For San Antonio on Mar 23, 2025, stone size is the diameter in inches as reported to the National Weather Service.
Every Report
| Time (UTC) | Size (inches) | Location | County |
|---|---|---|---|
| 01:54 | 1 | Lost Maples State Natur | Bandera |
| 02:02 | 1 | 6 NNW Bergheim | Kendall |
| 02:24 | 1 | 2 SW Boerne | Kendall |
| 02:35 | 1 | 2 SW Boerne | Kendall |
| 03:23 | 1 | 3 W Shavano Park | Bexar |
| 04:03 | 1 | 3 NE Fair Oaks Ranch | Comal |
Largest Report On March 23, 2025
The largest stone reported on March 23, 2025 was 1 inch at Lost Maples State Natur, Bandera County, timed 01:54 UTC.6 San Antonio reports on Mar 23, 2025 tied at 1 inch, and this is the earliest of them. The note the San Antonio area forecast office attached to it on March 23, 2025 reads: “Time estimated by radar; (EWX)”
Reports By County On Mar 23, 2025
| County | Reports | Largest (inches) | Sizes in report order (inches) |
|---|---|---|---|
| Kendall | 3 | 1 | 1, 1, 1 |
| Bandera | 1 | 1 | 1 |
| Bexar | 1 | 1 | 1 |
| Comal | 1 | 1 | 1 |
The 6 reports on March 23, 2025 were spread over 4 counties, and Kendall County held the largest stone at 1 inch. Kendall County logged 3 reports with a largest stone of 1 inch on March 23, 2025. Bandera County logged 1 report with a largest stone of 1 inch on March 23, 2025. Bexar County logged 1 report with a largest stone of 1 inch on March 23, 2025. Comal County logged 1 report with a largest stone of 1 inch on March 23, 2025.
What The Reporters Wrote
- 01:54 UTC, Lost Maples State Natur, Bandera County, 1 inch: Time estimated by radar; (EWX)
- 02:02 UTC, 6 NNW Bergheim, Kendall County, 1 inch: Quite a bit of hail from pea size to quarter sized; Time estimated via radar; (EWX)
- 02:24 UTC, 2 SW Boerne, Kendall County, 1 inch: Time estimated by radar; (EWX)
- 02:35 UTC, 2 SW Boerne, Kendall County, 1 inch: (EWX)
- 03:23 UTC, 3 W Shavano Park, Bexar County, 1 inch: Report from mPING; Time estimated by radar; (EWX)
- 04:03 UTC, 3 NE Fair Oaks Ranch, Comal County, 1 inch: Report from mPING; (EWX)
Other Hail Days Within 30 Days Of Mar 23, 2025
1 other day in the San Antonio record had hail of 1 inch or larger within 30 days of March 23, 2025. A San Antonio roof hit on March 23, 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, 8 days after Mar 23, 2025: March 31, 2025, 15 reports, largest 2 inches.
Re-Roof Permits In The 30 Days After Mar 23, 2025
The City of San Antonio permit file lists 631 re-roof permits issued from March 24, 2025 to April 22, 2025, the 30 days after March 23, 2025. For scale, the same file averages about 413 per 30 days from November 30, 2020 to September 25, 2026, so the Mar 23, 2025 window came in above that average. The 631 City of San Antonio permits counted after March 23, 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 March 23, 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 March 23, 2025, pulled October 17, 2026. The San Antonio file for Mar 23, 2025 is preliminary: forecast offices logged its 6 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 Mar 23, 2025 it is checked against a file that reaches May 26, 2026, 429 days later. For March 23, 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 Mar 23, 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 March 23, 2025 with your address, then get a documented inspection before you file anything. See the San Antonio hail history for how Mar 23, 2025 compares. For a San Antonio roof after March 23, 2025, the hail claim calculator shows whether a claim nets anything after your deductible. Before you sign anything in San Antonio after Mar 23, 2025, use the check-a-roofer guide. For a San Antonio roof hit on March 23, 2025, chapter 707 bars a Texas contractor from negotiating the claim for you. After Mar 23, 2025, see the San Antonio roofing company ranking and the company directory.
Previous storm day: May 28, 2024 | Next storm day: March 31, 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 March 23, 2025, pulled October 17, 2026, preliminary and subject to review. https://www.spc.noaa.gov/climo/reports/250323_rpts.html.
- NOAA National Centers for Environmental Information, Storm Events Database bulk files, the record the San Antonio March 23, 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 631 permits counted after March 23, 2025. https://data.sanantonio.gov/dataset/building-permits.