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 3.25". There are 20 public hail reports, 6 public wind reports, and 0 nearby tornado reports listed for the April 28, 2021 event.
View the April 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 April 28, 2021 hail swath map for San Antonio, TX covers approximately 3,294 square miles and includes an estimated 1,277,889 people inside the mapped footprint. The largest mapped area is in the 0.50-0.75" hail band, covering 754 square miles. The highest estimated population exposure is in the 0.50-0.75" hail band with 326,582 people.
| Mapped Hail Band | Impact Area | Population |
|---|---|---|
| < 0.50" | 451 sq mi | 178,624 |
| 0.50-0.75" | 754 sq mi | 326,582 |
| 0.75-1.00" | 539 sq mi | 261,743 |
| 1.00-1.25" | 454 sq mi | 214,263 |
| 1.25-1.50" | 322 sq mi | 106,677 |
| 1.50-1.75" | 265 sq mi | 92,704 |
| 1.75-2.00" | 211 sq mi | 48,817 |
| 2.00-2.25" | 175 sq mi | 27,720 |
| 2.25-2.50" | 75 sq mi | 9,632 |
| 2.50-2.75" | 32 sq mi | 2,350 |
| 2.75-3.00" | 8 sq mi | 6,369 |
| 3.00-3.25" | 2 sq mi | 219 |
| 3.25-3.50" | 5 sq mi | 2,189 |
Get a free Hail Report by ZIP to see a more local hail signal and whether the April 28, 2021 San Antonio, TX hail event may have reached your area.
Housing Exposure Inside the San Antonio, TX Hail Swath Map
Inside the April 28, 2021 hail swath map area for San Antonio, TX, HailGeeks estimates 473,927 single-family homes, 16,702 townhomes, and 227,748 multifamily properties within the mapped storm footprint. Single-family-home exposure is highest in the 0.50-0.75" hail band, with 130,992 single-family homes.
| Mapped Hail Band | Single-Family | Townhomes | Multifamily |
|---|---|---|---|
| < 0.50" | 73,377 | 2,027 | 28,459 |
| 0.50-0.75" | 130,992 | 3,537 | 44,336 |
| 0.75-1.00" | 91,909 | 3,312 | 53,686 |
| 1.00-1.25" | 70,922 | 3,776 | 53,094 |
| 1.25-1.50" | 38,248 | 1,642 | 21,636 |
| 1.50-1.75" | 30,175 | 1,225 | 20,223 |
| 1.75-2.00" | 18,081 | 928 | 4,596 |
| 2.00-2.25" | 11,303 | 146 | 605 |
| 2.25-2.50" | 4,139 | 40 | 199 |
| 2.50-2.75" | 878 | 36 | 251 |
| 2.75-3.00" | 2,757 | 23 | 169 |
| 3.00-3.25" | 86 | 4 | 25 |
| 3.25-3.50" | 1,060 | 6 | 469 |
Use this table to review housing exposure by hail band for the April 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 April 28, 2021 storm was mapped across 18 counties in the San Antonio, TX region. Medina County, TX had the strongest mapped signal, peaking at 3.25" with roughly 12,503 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 39 cities near San Antonio, TX. Hondo, TX had the strongest mapped signal at 3.00", with an estimated 1,342 single-family homes exposed.
City cards show where the April 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 April 28, 2021 San Antonio, TX hail map spans 91 ZIP codes. ZIP 78861 shows the strongest local signal, with mapped hail estimates up to 3.25" and an estimated single-family-home exposure of 3,645.
Check your ZIP in seconds to see whether hail activity from the April 28, 2021 San Antonio, TX event was mapped near your area.
Public Hail, Wind, and Tornado Reports
Public storm report tables connected to the April 28, 2021 hail map for San Antonio, TX currently list 20 public hail reports, 6 public wind reports, and 0 tornado reports.
| Date & Time | Hail Size | City | State | Description |
|---|---|---|---|---|
April 28, 2021 7:30 PM CT |
2.50 in | 2 NE D'Hanis | TX | No National Weather Service description provided. |
April 28, 2021 7:45 PM CT |
4.00 in | Hondo | TX | SEVERAL PICTURES SHOWING 3 TO 4 INCH DIAMETER HAIL IN THE HONDO AREA. |
April 28, 2021 8:00 PM CT |
2.50 in | 7 W Castroville | TX | No National Weather Service description provided. |
April 28, 2021 8:10 PM CT |
1.75 in | 3 WNW Castroville | TX | No National Weather Service description provided. |
April 28, 2021 8:17 PM CT |
1.00 in | Sea World | TX | No National Weather Service description provided. |
April 28, 2021 8:22 PM CT |
1.50 in | 3 NNW Lackland Afb | TX | TWITTER REPORT. |
April 28, 2021 8:23 PM CT |
1.00 in | 2 WNW Lackland Afb | TX | TWITTER REPORT. |
April 28, 2021 8:27 PM CT |
1.00 in | 4 SW Sea World | TX | No National Weather Service description provided. |
April 28, 2021 8:35 PM CT |
1.00 in | 2 WSW Lackland Afb | TX | No National Weather Service description provided. |
April 28, 2021 8:40 PM CT |
1.75 in | 3 NW Sea World | TX | TWITTER REPORT. |
April 28, 2021 8:55 PM CT |
1.00 in | 4 S Helotes | TX | No National Weather Service description provided. |
April 28, 2021 9:55 PM CT |
1.00 in | 4 WNW New Braunfels | TX | No National Weather Service description provided. |
April 28, 2021 10:00 PM CT |
1.75 in | 6 NW New Braunfels | TX | No National Weather Service description provided. |
April 28, 2021 10:05 PM CT |
1.25 in | 6 WNW New Braunfels | TX | No National Weather Service description provided. |
April 28, 2021 10:06 PM CT |
1.00 in | 8 NNE New Braunfels | TX | No National Weather Service description provided. |
April 28, 2021 10:10 PM CT |
1.00 in | 8 NNE New Braunfels | TX | No National Weather Service description provided. |
April 28, 2021 10:15 PM CT |
2.00 in | 1 WSW San Marcos | TX | No National Weather Service description provided. |
April 28, 2021 10:17 PM CT |
1.75 in | San Marcos | TX | No National Weather Service description provided. |
April 28, 2021 10:30 PM CT |
1.00 in | 3 SSW Kyle | TX | No National Weather Service description provided. |
April 29, 2021 12:20 AM CT |
1.50 in | 1 SSE Kerrville | TX | REPORT VIA SOCIAL MEDIA. TIME ESTIMATED VIA RADAR. |
| Date & Time | Wind Speed | City | State | Description |
|---|---|---|---|---|
April 28, 2021 8:16 PM CT | Castroville | TX | REPORTS OF AN RV FLIPPED...SEVERAL TREES UPROOTED...FENCES BLOWN DOWN...AND IRRIGATION PIPES TWISTED. TIME ESTIMATED VIA RADAR. | |
April 28, 2021 9:30 PM CT | 3 NW Live Oak | TX | TREES DOWN. | |
April 28, 2021 9:30 PM CT | 3 NW Live Oak | TX | SOCIAL MEDIA REPORT SHOWING PICTURES OF TREES DOWN NEAR THE INTERSECTION OF STAHL ROAD AND JUDSON ROAD. | |
April 28, 2021 9:30 PM CT | 3 NNW Live Oak | TX | SOUTHWEST PORTION OF A 1 MILE WIDE SWATH OF SPORADIC WIND DAMAGE TO MAINLY TREES... FENCES AND POWER LINES. THE DAMAGE PATH EXTENDED 4 MILES NE TO NEAR THE COMAL COUNTY LINE. TIME ESTIMATED BY RADAR. | |
April 28, 2021 9:38 PM CT | 2 NW Selma | TX | NORTHEAST PORTION OF A 1 MILE WIDE SWATH OF SPORADIC WIND DAMAGE TO MAINLY TREES... FENCES... AND POWER LINES. THE DAMAGE PATH EXTENDS 4 MILES SOUTHWEST TO NEAR COMMANCHE PARK. TIME ESTIMATED BY RADAR. DAMAGE SURVEY SUGGESTED MAX WIND SPEEDS UP TO 80 MPH. | |
April 28, 2021 8:10 PM CT | 61 mph | 2 ESE Castroville | TX | No National Weather Service description provided. |
| 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 April 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 3 more hail maps with reports from the same San Antonio, TX region as the April 28, 2021 event. These related maps cover storm dates from Mar 22, 2021 through Apr 23, 2021, with mapped hail estimates ranging from 1.25" to 2.00". In this set, the strongest related map reached 2.00", and the most recent map shown is from Apr 23, 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 April 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 April 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 April 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 April 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 April 28, 2021 San Antonio, TX hail event.