The most recent reported hail day was 2025-05-18 -- 1 year ago, with nothing reported since. Graham County is hit in most years, often more than once. 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 2013-05-07 near Saint Peter.
Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in Kansas. Radar-indicated, not a guarantee of damage.
The last hail here fell on 2025-05-18, around New Almelo. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Graham 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 44 separate hail days here since 2010 -- 2.6 a year over 17 years of record. They carry 77 reports in total: most hail days here are logged from a single spot. 3 of those 17 years produced none at all. The busiest single year was 2017, with 7 hail days. The last five years track the long-run rate, with 10 days since 2022.
7 of the 44 days reached 2 inches or more -- 16%, or about one hail day in 6, the last on 2021-05-14. Those big days do not follow the county's usual calendar: most of them fall in May, not June. 20 of the 44 days reached golf-ball size, 1.75 inches or bigger.
Across the whole of Kansas, see the Kansas hail map and history.
Reports cluster nearest Hill City -- 20 of the county's 44 hail days -- then Bogue (12), Morland (8), Saint Peter (4) and Penokee (4). That one town is named on 45% of them. Beyond those, NOAA names Nicodemus, Studley and New Almelo on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Hill City | 10 | 1.75″ |
| Morland | 8 | 2.75″ |
| Bogue | 5 | 2.75″ |
| Saint Peter | 3 | 1.75″ |
| 13 N Hill City | 2 | 2.75″ |
The season runs April through July: 36 of the 44 hail days on record fall in those 4 months (82%). June is the single busiest month, with 14 of them (32%). That peak sits inside the window rather than at either end. Hail has also been reported in March, August, September and October, outside that window. Reports span 8 of the 12 calendar months; the other 4 have never produced one.
| Month | Hail days |
|---|---|
| March | 1 |
| April | 6 |
| May | 10 |
| June | 14 |
| July | 6 |
| August | 3 |
| September | 1 |
| October | 3 |
That day put 1 report on the map, the biggest 1 inch near New Almelo. No hail day has been reported here yet this year.
| Date | Max hail | Reports |
|---|---|---|
| 2025-05-18 | 1.00″ | 1 |
| 2024-07-31 | 1.00″ | 1 |
| 2024-06-18 | 1.00″ | 1 |
| 2024-04-27 | 1.25″ | 1 |
| 2024-04-25 | 1.75″ | 1 |
| 2023-07-04 | 1.25″ | 1 |
| 2023-06-30 | 1.00″ | 3 |
| 2023-05-28 | 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 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: Trego County (72 hail days), Rooks County (55) and Norton County (45). Every one of them takes more hail than Graham County.
Trego County · Rooks County · Norton County
Back to the Kansas hail map or the U.S. hail map.
Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Graham County, Kansas only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.