The most recent reported hail day was 2026-04-03, 119 days ago. Jackson County is hit in most years, and usually several times over. 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 2024-05-23 near Duke.
Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in Oklahoma. Radar-indicated, not a guarantee of damage.
The last hail here fell on 2026-04-03, around Altus. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Jackson 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 54 separate hail days here since 2010 -- 3.2 a year over 17 years of record. Those days carry 148 separate reports between them, two or three on a typical one. Exactly one year since 2010 passed with no reported hail day at all. The busiest single year was 2024, with 6 hail days. The last five years track the long-run rate, with 11 days since 2022.
Roof-killing hail is routine here: 14 of the 54 days reached 2 inches or more, 26% of them, the last on 2025-04-28. Those big days do not follow the county's usual calendar: most of them fall in May, not April. More than half of every hail day on record here -- 29 of 54 -- reached golf-ball size, 1.75 inches or bigger.
Across the whole of Oklahoma, see the Oklahoma hail map and history.
Reports cluster nearest Altus -- 19 of the county's 54 hail days -- then Eldorado (12), Martha (11), Blair (11) and Olustee (8). Beyond those, NOAA names Duke, Headrick, Altus Air Force Base, Elmer, Warren, Friendship, Humphreys and Altus Air Force Ba on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Altus | 12 | 1.75″ |
| Blair | 7 | 2.00″ |
| Altus Air Force Base | 6 | 2.00″ |
| Headrick | 5 | 3.00″ |
| Olustee | 5 | 2.00″ |
The season runs March through June: 44 of the 54 hail days on record fall in those 4 months (81%). April is the single busiest month, with 19 of them (35%). That peak sits inside the window rather than at either end. January, February and December are the only months that have never produced a reported hail day.
| Month | Hail days |
|---|---|
| March | 2 |
| April | 19 |
| May | 17 |
| June | 6 |
| July | 1 |
| August | 1 |
| September | 2 |
| October | 5 |
| November | 1 |
That day put 1 report on the map, the biggest 1.25 inches near Altus. 1 hail day has already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-04-03 | 1.25″ | 1 |
| 2025-04-28 | 2.00″ | 8 |
| 2024-07-20 | 1.00″ | 1 |
| 2024-05-27 | 1.00″ | 1 |
| 2024-05-23 | 3.50″ | 12 |
| 2024-04-30 | 1.75″ | 1 |
| 2024-04-27 | 1.00″ | 1 |
| 2024-04-15 | 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 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: Greer County (33 hail days), Harmon County (33) and Kiowa County (53). Jackson County takes more hail than any of them.
Greer County · Harmon County · Kiowa County
Back to the Oklahoma hail map or the U.S. hail map.
Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Jackson County, Oklahoma only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.