Irion County was hit as recently as 2026-05-19, 73 days ago. Irion County is hit in about half the years on record. The largest stone on record here is 3 inches, a teacup and 3 times the National Weather Service's 1 inch severe criterion, reported on 2025-06-09 near Mertzon.
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 2026-05-19, around Mertzon. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Irion 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 19 separate hail days here since 2010 -- 1.1 a year over 17 years of record. Those days carry 38 separate reports between them, two or three on a typical one. 8 of those 17 years produced none at all. The busiest single year was 2025, with 3 hail days. The last five years have run hotter than the long-run rate: 9 days since 2022, against 0.8 a year before that.
Roof-killing hail is routine here: 5 of the 19 days reached 2 inches or more, 26% of them, the last on 2025-06-09. They land in the same month as everything else, May. 9 of the 19 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 Mertzon -- 14 of the county's 19 hail days -- then Barnhart (5), Sherwood (3) and Arden (2). That one town is named on 74% of them.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Mertzon | 7 | 1.50″ |
| Sherwood | 2 | 1.25″ |
| 4 Ne Sherwood | 1 | 3.00″ |
| 9 W Mertzon | 1 | 3.00″ |
| 5 N Sherwood | 1 | 2.75″ |
The season runs April through June: 17 of the 19 hail days on record fall in those 3 months (89%). May is the single busiest month, with 11 of them (58%). That peak sits inside the window rather than at either end. Hail has also been reported in March and August, outside that window. Reports span 5 of the 12 calendar months; the other 7 have never produced one.
| Month | Hail days |
|---|---|
| March | 1 |
| April | 4 |
| May | 11 |
| June | 2 |
| August | 1 |
That day put 3 reports on the map, the biggest 1.25 inches near Mertzon. 1 hail day has already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-05-19 | 1.25″ | 3 |
| 2025-08-04 | 1.25″ | 1 |
| 2025-06-09 | 3.00″ | 1 |
| 2025-05-26 | 1.00″ | 1 |
| 2024-05-25 | 1.00″ | 1 |
| 2024-05-22 | 1.00″ | 2 |
| 2024-05-16 | 2.75″ | 2 |
| 2022-05-24 | 3.00″ | 4 |
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 3 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: Tom Green County (62 hail days), Schleicher County (15) and Reagan County (20). Irion County sits in between.
Tom Green County · Schleicher County · Reagan 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, Irion County, Texas only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.