Castro County was hit as recently as 2026-07-04, 27 days ago. Castro County is hit in most years. The largest stone on record here is 3.5 inches and 3.5 times the National Weather Service's 1 inch severe criterion, reported on 2025-04-23 near Dimmitt.
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 2026-07-04, around Dimmitt. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Castro County addresses inside a hail swath above your size threshold into a door-knock list you can export, scoped to your approved markets.
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See call-center options ->NOAA's Storm Prediction Center has logged 29 separate hail days here since 2010 -- 1.7 a year over 17 years of record. They carry 51 reports in total: most hail days here are logged from a single spot. 3 of those 17 years produced none at all. One year dominates the record: 2019 alone produced 6 of the 29 days. The last five years track the long-run rate, with 8 days since 2022.
7 of the 29 days reached 2 inches or more -- 24%, or about one hail day in 4, the last on 2026-07-04. Those big days do not follow the county's usual calendar: most of them fall in April, not May. 10 of the 29 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 Dimmitt -- 16 of the county's 29 hail days -- then Hart (9), Summerfield (3), Nazareth (2) and Jumbo (2). That one town is named on 55% of them.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Dimmitt | 8 | 2.25″ |
| Hart | 4 | 1.50″ |
| Summerfield | 3 | 1.75″ |
| 10 N Dimmitt | 2 | 2.75″ |
| 3 Wnw Jumbo | 2 | 2.00″ |
The season runs April through August: 26 of the 29 hail days on record fall in those 5 months (90%). May is the single busiest month, with 14 of them (48%). That peak sits inside the window rather than at either end. Hail has also been reported in February, March and September, outside that window. Reports span 8 of the 12 calendar months; the other 4 have never produced one.
| Month | Hail days |
|---|---|
| February | 1 |
| March | 1 |
| April | 4 |
| May | 14 |
| June | 4 |
| July | 1 |
| August | 3 |
| September | 1 |
That day put 1 report on the map, the biggest 2.25 inches near Dimmitt. 2 hail days have already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-07-04 | 2.25″ | 1 |
| 2026-06-23 | 1.00″ | 2 |
| 2025-05-06 | 1.25″ | 1 |
| 2025-04-23 | 3.50″ | 4 |
| 2024-09-21 | 2.00″ | 2 |
| 2023-06-23 | 1.00″ | 1 |
| 2022-05-11 | 2.00″ | 1 |
| 2022-04-22 | 2.50″ | 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 3.5 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: Deaf Smith County (64 hail days), Parmer County (30) and Swisher County (32). Every one of them takes more hail than Castro County.
Deaf Smith County · Parmer County · Swisher 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, Castro County, Texas only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.