Greer County was hit as recently as 2026-06-25, 36 days ago. Greer County is hit in most years. 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 2025-04-28 near Mangum.
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 2026-06-25, around Mangum. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Greer 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 33 separate hail days here since 2010 -- 1.9 a year over 17 years of record. Those days carry 64 separate reports between them, two or three on a typical one. 3 of those 17 years produced none at all. The busiest single year was 2023, with 4 hail days. The last five years track the long-run rate, with 10 days since 2022.
Roof-killing hail is routine here: 9 of the 33 days reached 2 inches or more, 27% of them, the last on 2025-04-28. They land in the same month as everything else, May. 15 of the 33 days reached golf-ball size, 1.75 inches or bigger.
Across the whole of Oklahoma, see the Oklahoma hail map and history.
Reports cluster nearest Mangum -- 21 of the county's 33 hail days -- then Granite (8), Reed (5), Willow (4) and Vinson (3). That one town is named on 64% of them. Beyond those, NOAA names Altus-Lugert Lake and Brinkman on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Mangum | 8 | 3.00″ |
| Granite | 5 | 2.00″ |
| 1 SW Mangum | 3 | 3.00″ |
| Willow | 3 | 1.75″ |
| Reed | 3 | 1.00″ |
The season runs April through June: 29 of the 33 hail days on record fall in those 3 months (88%). May is the single busiest month, with 15 of them (45%). That peak sits inside the window rather than at either end. Hail has also been reported in March, October and November, outside that window. Reports span 6 of the 12 calendar months; the other 6 have never produced one.
| Month | Hail days |
|---|---|
| March | 2 |
| April | 6 |
| May | 15 |
| June | 8 |
| October | 1 |
| November | 1 |
That day put 1 report on the map, the biggest 1 inch near Mangum. 2 hail days have already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-06-25 | 1.00″ | 1 |
| 2026-05-18 | 1.25″ | 1 |
| 2025-06-02 | 1.00″ | 1 |
| 2025-05-01 | 1.25″ | 1 |
| 2025-04-28 | 3.00″ | 4 |
| 2024-04-30 | 1.50″ | 1 |
| 2023-06-15 | 1.75″ | 4 |
| 2023-06-13 | 1.50″ | 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 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: Jackson County (54 hail days), Harmon County (33) and Beckham County (55). Greer County sits in between.
Jackson County · Harmon County · Beckham 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, Greer County, Oklahoma only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.