The most recent reported hail day was 2025-05-06 -- 1 year ago, with nothing reported since. Zapata County is hit in most years. The largest stone on record here is 4.5 inches, a softball and 4.5 times the National Weather Service's 1 inch severe criterion, reported on 2025-05-06 near San Ygnacio.
Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in Texas. Radar-indicated, not a guarantee of damage.
The last hail here fell on 2025-05-06, around San Ygnacio. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Zapata County addresses inside a hail swath above your size threshold into a door-knock list you can export, scoped to your approved markets.
Get free access Check an addressOur US-based call center calls the homeowners in this storm and books roof inspections straight onto your calendar. You work the storm; we fill the schedule. We dial -- you do not have to knock a single door.
See call-center options ->NOAA's Storm Prediction Center has logged 15 separate hail days here since 2010 -- 0.9 a year over 17 years of record. They carry 19 reports in total: most hail days here are logged from a single spot. 6 of those 17 years produced none at all. One year dominates the record: 2012 alone produced 3 of the 15 days. The last five years track the long-run rate, with 4 days since 2022.
2 of the 15 days reached 2 inches or more -- 13%, or about one hail day in 8, the last on 2025-05-06. They land in the same month as everything else, May. 6 of the 15 days reached golf-ball size, 1.75 inches or bigger.
Across the whole of Texas, see the Texas hail map and history.
Reports cluster nearest Zapata -- 12 of the county's 15 hail days -- then San Ygnacio (3). That one town is named on 80% of them.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Zapata | 10 | 1.75″ |
| San Ygnacio | 2 | 4.50″ |
| 12 Se Zapata | 1 | 1.75″ |
| 5 Nne San Ygnacio | 1 | 1.75″ |
| Morales - Sanchez Colon | 1 | 1.75″ |
The season runs April through May: 12 of the 15 hail days on record fall in those 2 months (80%). May is the single busiest month, with 8 of them (53%). Hail has also been reported in February, September and November, outside that window. Reports span 5 of the 12 calendar months; the other 7 have never produced one.
| Month | Hail days |
|---|---|
| February | 1 |
| April | 4 |
| May | 8 |
| September | 1 |
| November | 1 |
That day put 1 report on the map, the biggest 4.5 inches near San Ygnacio. No hail day has been reported here yet this year.
| Date | Max hail | Reports |
|---|---|---|
| 2025-05-06 | 4.50″ | 1 |
| 2024-05-13 | 2.75″ | 1 |
| 2023-04-28 | 1.75″ | 1 |
| 2022-05-23 | 1.00″ | 1 |
| 2017-05-21 | 1.75″ | 2 |
| 2016-04-20 | 1.00″ | 2 |
| 2015-05-21 | 1.00″ | 1 |
| 2015-04-17 | 1.00″ | 1 |
The colored swath is NOAA's MRMS radar estimate of the largest hail per ~1 km cell; the dots are SPC ground reports. Yellow is about an inch, red 1.5 to 2″, purple 2″ and up (hail size vs roof damage). On this county's worst day the reports reached 4.5 inches, which is the purple band. Look up a street address with the hail history by address tool.
The nearest counties with a page of their own: Starr County (19 hail days), Webb County (25) and Duval County (13). Zapata County sits in between.
Starr County · Webb County · Duval County
Back to the Texas hail map or the U.S. hail map.
Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Zapata County, Texas only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.