Cimarron County was hit as recently as 2026-06-26, 35 days ago. Cimarron County is hit in most years, and usually several times over. The largest stone on record here is 2.75 inches, a baseball and 2.8 times the National Weather Service's 1 inch severe criterion, reported on 2023-06-11 near Felt.
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 2026-06-26, around Felt. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Cimarron 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 47 separate hail days here since 2010 -- 2.8 a year over 17 years of record. Those days carry 110 separate reports between them, two or three on a typical one. No year since 2010 has gone by without at least one. The busiest single year was 2023, with 6 hail days. The last five years track the long-run rate, with 16 days since 2022.
10 of the 47 days reached 2 inches or more -- 21%, or about one hail day in 5, the last on 2026-06-25. Those big days do not follow the county's usual calendar: most of them fall in June, not May. 22 of the 47 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 Boise City -- 26 of the county's 47 hail days -- then Felt (12), Keyes (8), Wheeless (6) and Kenton (5). That one town is named on 55% of them. Beyond those, NOAA names Black Mesa Park, Griggs and Sturgis on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Boise City | 6 | 2.00″ |
| Felt | 5 | 2.75″ |
| Keyes | 4 | 2.75″ |
| Wheeless | 3 | 1.25″ |
| 17 NNW Boise City | 2 | 2.50″ |
The season runs May through August: 40 of the 47 hail days on record fall in those 4 months (85%). May is the single busiest month, with 15 of them (32%). That peak opens the window: the season starts at its worst and eases off from there. Hail has also been reported in April, September, October and November, outside that window. Reports span 8 of the 12 calendar months; the other 4 have never produced one.
| Month | Hail days |
|---|---|
| April | 3 |
| May | 15 |
| June | 14 |
| July | 4 |
| August | 7 |
| September | 2 |
| October | 1 |
| November | 1 |
That day put 1 report on the map, the biggest 1 inch near Felt. 2 hail days have already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-06-26 | 1.00″ | 1 |
| 2026-06-25 | 2.00″ | 2 |
| 2025-08-29 | 1.50″ | 1 |
| 2025-06-06 | 2.50″ | 2 |
| 2024-08-12 | 1.00″ | 1 |
| 2024-06-07 | 1.00″ | 1 |
| 2024-05-30 | 1.00″ | 2 |
| 2024-05-29 | 1.75″ | 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 2.75 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: Texas County (73 hail days), Beaver County (77), Harper County (32), Dallam County, Texas (43) and Baca County, Colorado (64). Cimarron County sits in between.
Texas County · Beaver County · Harper County · Dallam County, Texas · Baca County, Colorado
Back to the Oklahoma hail map or the U.S. hail map.
Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Cimarron County, Oklahoma only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.