Osage County was hit as recently as 2026-05-08, 84 days ago. Osage County is hit in most years, and usually several times over. The largest stone on record here is 4.25 inches and 4.2 times the National Weather Service's 1 inch severe criterion, reported on 2013-05-20 near Bigheart.
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 2026-05-08, around Wynona. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Osage 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 59 separate hail days here since 2010 -- 3.5 a year over 17 years of record. Those days carry 114 separate reports between them, two or three on a typical one. 2 of those 17 years produced none at all. The busiest single year was 2025, with 8 hail days. The last five years track the long-run rate, with 21 days since 2022.
8 of the 59 days reached 2 inches or more -- 14%, or about one hail day in 7, the last on 2026-05-08. They land in the same month as everything else, May. 26 of the 59 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 Pawhuska -- 13 of the county's 59 hail days -- then Burbank (11), Skiatook (11), Hominy (6) and Shidler (6). Beyond those, NOAA names Bigheart, Bartlesville, Avant, Wynona, Westport, Sperry, Apperson, Okesa and Osage on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Burbank | 8 | 3.50″ |
| Pawhuska | 8 | 1.75″ |
| Hominy | 6 | 1.75″ |
| Shidler | 5 | 1.75″ |
| Wynona | 3 | 2.75″ |
The season runs March through July: 49 of the 59 hail days on record fall in those 5 months (83%). May is the single busiest month, with 19 of them (32%). That peak sits inside the window rather than at either end. January and December are the only months that have never produced a reported hail day.
| Month | Hail days |
|---|---|
| February | 1 |
| March | 6 |
| April | 18 |
| May | 19 |
| June | 4 |
| July | 2 |
| August | 4 |
| September | 1 |
| October | 2 |
| November | 2 |
That day put 4 reports on the map, the biggest 2.75 inches near Wynona. 5 hail days have already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-05-08 | 2.75″ | 4 |
| 2026-04-28 | 1.00″ | 2 |
| 2026-04-26 | 1.00″ | 1 |
| 2026-04-15 | 1.00″ | 2 |
| 2026-03-06 | 1.00″ | 1 |
| 2025-06-17 | 1.50″ | 1 |
| 2025-05-24 | 1.50″ | 1 |
| 2025-05-19 | 1.25″ | 2 |
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 4.25 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, over the state line included: Washington County (40 hail days), Pawnee County (21), Tulsa County (79) and Chautauqua County, Kansas (29). Osage County sits in between.
Washington County · Pawnee County · Tulsa County · Chautauqua County, Kansas
Back to the Oklahoma hail map or the U.S. hail map.
Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Osage County, Oklahoma only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.