Hail Swath Map Preview
The San Antonio, TX hail swath map preview was last reviewed on August 27, 2026 and shows mapped hail estimates up to 1.75". There are 1 public hail reports, 7 public wind reports, and 0 nearby tornado reports listed for the May 28, 2021 event.
View the May 28, 2021 San Antonio, TX hail event on the free interactive hail map, then check a free Hail Report by ZIP to see a more local hail signal for your area.
Impact Area and Population for the San Antonio, TX Hail Map
The May 28, 2021 hail swath map for San Antonio, TX covers approximately 1,647 square miles and includes an estimated 676,303 people inside the mapped footprint. The largest mapped area is in the 0.50-0.75" hail band, covering 677 square miles. The highest estimated population exposure is in the 0.50-0.75" hail band with 349,056 people.
| Mapped Hail Band | Impact Area | Population |
|---|---|---|
| < 0.50" | 580 sq mi | 233,169 |
| 0.50-0.75" | 677 sq mi | 349,056 |
| 0.75-1.00" | 241 sq mi | 78,123 |
| 1.00-1.25" | 94 sq mi | 14,266 |
| 1.25-1.50" | 40 sq mi | 1,187 |
| 1.50-1.75" | 7 sq mi | 248 |
| 1.75-2.00" | 8 sq mi | 254 |
Get a free Hail Report by ZIP to see a more local hail signal and whether the May 28, 2021 San Antonio, TX hail event may have reached your area.
Housing Exposure Inside the San Antonio, TX Hail Swath Map
Inside the May 28, 2021 hail swath map area for San Antonio, TX, HailGeeks estimates 255,340 single-family homes, 10,101 townhomes, and 136,032 multifamily properties within the mapped storm footprint. Single-family-home exposure is highest in the 0.50-0.75" hail band, with 133,908 single-family homes.
| Mapped Hail Band | Single-Family | Townhomes | Multifamily |
|---|---|---|---|
| < 0.50" | 87,309 | 3,468 | 43,842 |
| 0.50-0.75" | 133,908 | 5,651 | 72,087 |
| 0.75-1.00" | 27,701 | 825 | 17,121 |
| 1.00-1.25" | 5,708 | 139 | 2,980 |
| 1.25-1.50" | 494 | 18 | 2 |
| 1.50-1.75" | 104 | 0 | 0 |
| 1.75-2.00" | 116 | 0 | 0 |
Use this table to review housing exposure by hail band for the May 28, 2021 San Antonio, TX hail map. To check a specific property more closely, use a free Hail Report by Address.
Counties Inside the San Antonio, TX Hail Map
Hail from the May 28, 2021 storm was mapped across 15 counties in the San Antonio, TX region. Kerr County, TX had the strongest mapped signal, peaking at 1.75" with roughly 6,065 single-family homes inside the swath.
County pages group every mapped hail event in the area. For a closer look, drop to the city or ZIP level below, or run a free Hail Report by Address.
Cities Inside the San Antonio, TX Hail Map
Zooming in, the swath touched 33 cities near San Antonio, TX. San Antonio, TX had the strongest mapped signal at 1.00", with an estimated 101,427 single-family homes exposed.
City cards show where the May 28, 2021 San Antonio, TX hail activity was mapped, but your ZIP can show a closer local signal. Get a free Hail Report by ZIP, and if the signal looks meaningful, ask a local pro about a Remote Hail Inspection to see whether an on-site roof or exterior review may be worth scheduling.
ZIP Codes Inside the San Antonio, TX Hail Swath Map
At the ZIP level, the May 28, 2021 San Antonio, TX hail map spans 59 ZIP codes. ZIP 78063 shows the strongest local signal, with mapped hail estimates up to 1.75" and an estimated single-family-home exposure of 1,672.
Check your ZIP in seconds to see whether hail activity from the May 28, 2021 San Antonio, TX event was mapped near your area.
Public Hail, Wind, and Tornado Reports
Public storm report tables connected to the May 28, 2021 hail map for San Antonio, TX currently list 1 public hail reports, 7 public wind reports, and 0 tornado reports.
| Date & Time | Hail Size | City | State | Description |
|---|---|---|---|---|
May 28, 2021 7:51 PM CT |
1.00 in | Kerrville | TX | No National Weather Service description provided. |
| Date & Time | Wind Speed | City | State | Description |
|---|---|---|---|---|
May 28, 2021 9:11 PM CT | 1 ENE Scenic Oaks | TX | LARGE TREE LIMBS AND POWER POLES BROKEN. | |
May 28, 2021 9:35 PM CT | 1 N Windcrest | TX | NUMEROUS REPORTED OF TREE... FENCE... AND POWER LINE DAMAGE ACROSS THE NORTH AND NORTHEAST SIDE OF THE SAN ANTONIO METRO AREA. | |
May 28, 2021 9:35 PM CT | Olmos Park | TX | SMALL TREE LIMBS BROKEN. | |
May 28, 2021 9:36 PM CT | 1 N Alamo Heights | TX | PICTURE OF A LARGE TREE THROUGH A HOME NEAR THE INTERSECTION OF BROADWAY AND WEST FAIR OAKS PLACE. | |
May 28, 2021 9:39 PM CT | Windcrest | TX | LARGE TREE TRUNK SNAPPED. | |
May 28, 2021 9:32 PM CT | 60 mph | 3 ENE Castle Hills | TX | MEASURED BY SAT ASOS. |
May 28, 2021 9:33 PM CT | 77 mph | 3 ENE Castle Hills | TX | 77 MPH GUST RECORDED AT SAT ASOS. |
| Date & Time | Rating | City | State | Description |
|---|---|---|---|---|
| No public tornado reports are available for this event. | ||||
This table includes only public storm reports connected to the May 28, 2021 San Antonio, TX storm event. When available, each report may include the time, size or magnitude, city, state, and a short description.
Related Hail Maps in the San Antonio, TX Region
We found 6 more hail maps with reports from the same San Antonio, TX region as the May 28, 2021 event. These related maps cover storm dates from May 9, 2021 through May 19, 2021, with mapped hail estimates ranging from 0.75" to 1.75". In this set, the strongest related map reached 1.75", and the most recent map shown is from May 19, 2021.
If none of these related San Antonio, TX hail maps look close enough to your property, check a free Hail Report by Address. It reviews hail history for a specific location — not just the broader San Antonio, TX region — so you can check whether hail activity may have reached your property.
Local Hail Review Options Near San Antonio, TX
Not sure whether the May 28, 2021 San Antonio, TX hail map matters for your property? Start with a free Hail Report by Address to see whether hail activity was mapped for that property. If the property signal looks meaningful, you can choose a local pro serving the San Antonio, TX region and ask about a Remote Hail Inspection before deciding whether an on-site roof or exterior review is worth scheduling.
Check a specific property to see whether hail activity from the May 28, 2021 San Antonio, TX event — or another recent hail event — may have been mapped at that address.
Find a roof or exterior pro serving the San Antonio, TX region who can help you understand what the property hail signal may mean.
A participating local pro reviews property-level hail history remotely — not just the May 28, 2021 event — to help decide whether an on-site inspection may be worth scheduling.
A free Hail Report by Address and a Remote Hail Inspection can help you look beyond the May 28, 2021 hail map visuals alone. They do not confirm property damage and do not replace an on-site inspection for a property in the San Antonio, TX region, but they can help you make a more informed next decision before anyone climbs on the roof.
Frequently Asked Questions
Common questions about the May 28, 2021 San Antonio, TX hail event.