Cleveland County was hit as recently as 2026-07-04, 27 days ago. Cleveland County is hit in most years, and usually several times over. The largest stone on record here is 4 inches, a grapefruit and 4 times the National Weather Service's 1 inch severe criterion, reported on 2010-05-10 near Moore.
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 2026-07-04, around Newcastle. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Cleveland 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 81 separate hail days here since 2010 -- 4.8 a year over 17 years of record. Those days carry 317 separate reports between them, better than three on a typical one. No year since 2010 has gone by without at least one. The busiest single year was 2025, with 11 hail days. The last five years track the long-run rate, with 28 days since 2022.
19 of the 81 days reached 2 inches or more -- 23%, or about one hail day in 4, the last on 2026-05-08. They land in the same month as everything else, May. 32 of the 81 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 Norman -- 41 of the county's 81 hail days -- then Moore (25), Noble (25), Stella (7) and Lake Thunderbird (6). That one town is named on 51% of them. Beyond those, NOAA names Slaughterville, Etowah, Valley Brook, Pink, Stanley Draper Lak, Mustang, Lexington, N Norman and Rosedale on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| 3 SE Norman | 9 | 1.75″ |
| Moore | 8 | 1.75″ |
| Norman | 8 | 1.75″ |
| 4 NW Norman | 6 | 2.75″ |
| Noble | 6 | 2.51″ |
The season runs March through July: 69 of the 81 hail days on record fall in those 5 months (85%). May is the single busiest month, with 27 of them (33%). That peak sits inside the window rather than at either end. Hail has also been reported in August, September, October and November, outside that window. January, February and December are the only months that have never produced a reported hail day.
| Month | Hail days |
|---|---|
| March | 5 |
| April | 22 |
| May | 27 |
| June | 10 |
| July | 5 |
| August | 5 |
| September | 2 |
| October | 4 |
| November | 1 |
That day put 2 reports on the map, the biggest 1 inch near Newcastle. 5 hail days have already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-07-04 | 1.00″ | 2 |
| 2026-06-21 | 1.00″ | 1 |
| 2026-05-08 | 2.75″ | 14 |
| 2026-04-28 | 1.00″ | 2 |
| 2026-04-24 | 1.00″ | 1 |
| 2025-10-23 | 1.00″ | 2 |
| 2025-08-11 | 1.00″ | 1 |
| 2025-06-03 | 1.25″ | 3 |
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 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: McClain County (63 hail days), Oklahoma County (100) and Pottawatomie County (49). Cleveland County sits in between.
McClain County · Oklahoma County · Pottawatomie 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, Cleveland County, Oklahoma only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.