The most recent reported hail day was 2026-04-26, 96 days ago. Cotton County has recorded hail in nearly every year on the archive. The largest stone on record here is 3.75 inches and 3.8 times the National Weather Service's 1 inch severe criterion, reported on 2025-05-22 near Randlett.
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 2026-04-26, around Walters. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Cotton 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 30 separate hail days here since 2010 -- 1.8 a year over 17 years of record. Those days carry 58 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 3 hail days. The last five years track the long-run rate, with 11 days since 2022.
7 of the 30 days reached 2 inches or more -- 23%, or about one hail day in 4, the last on 2025-05-22. Those big days do not follow the county's usual calendar: most of them fall in April, not May. More than half of every hail day on record here -- 16 of 30 -- reached golf-ball size, 1.75 inches or bigger.
Across the whole of Oklahoma, see the Oklahoma hail map and history.
Reports cluster nearest Walters -- 14 of the county's 30 hail days -- then Randlett (7), Devol (6), Temple (6) and Cookietown (4). That one town is named on 47% of them.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Walters | 5 | 1.75″ |
| Devol | 3 | 2.75″ |
| Randlett | 2 | 3.75″ |
| 5 Sw Randlett | 2 | 2.75″ |
| Temple | 2 | 1.75″ |
The season runs March through May: 24 of the 30 hail days on record fall in those 3 months (80%). May is the single busiest month, with 12 of them (40%). That peak closes the window: the season builds all the way to its worst month and then stops. Hail has also been reported in June, July, August and December, outside that window. Reports span 7 of the 12 calendar months; the other 5 have never produced one.
| Month | Hail days |
|---|---|
| March | 4 |
| April | 8 |
| May | 12 |
| June | 3 |
| July | 1 |
| August | 1 |
| December | 1 |
That day put 2 reports on the map, the biggest 1 inch near Walters. 2 hail days have already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-04-26 | 1.00″ | 2 |
| 2026-03-10 | 1.25″ | 2 |
| 2025-05-22 | 3.75″ | 7 |
| 2025-04-01 | 1.00″ | 1 |
| 2025-03-29 | 1.00″ | 1 |
| 2024-05-27 | 1.75″ | 1 |
| 2024-05-09 | 1.75″ | 1 |
| 2024-04-27 | 1.00″ | 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 3.75 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: Comanche County (99 hail days), Jefferson County (31), Stephens County (66) and Wichita County, Texas (61). Every one of them takes more hail than Cotton County.
Comanche County · Jefferson County · Stephens County · Wichita County, Texas
Back to the Oklahoma hail map or the U.S. hail map.
Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Cotton County, Oklahoma only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.