The most recent reported hail day was 2026-04-15, 107 days ago. Miami County is hit in most years. 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 2026-04-15 near Paola.
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 2026-04-15, around Paola. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Miami 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 24 separate hail days here since 2010 -- 1.4 a year over 17 years of record. Those days carry 59 separate reports between them, two or three on a typical one. 3 of those 17 years produced none at all. One year dominates the record: 2017 alone produced 5 of the 24 days. The last five years have been quieter than the long run: 4 days since 2022, against 1.7 a year before that.
Most hail here stays under 2 inches: only 2 of the 24 days on record passed it, 8%, the last on 2026-04-15. Those big days do not follow the county's usual calendar: most of them fall in April, not May. Golf-ball size is rarer still: 1.75 inches or more on 5 of the 24 days.
Across the whole of Kansas, see the Kansas hail map and history.
Reports cluster nearest Osawatomie -- 10 of the county's 24 hail days -- then Paola (9), Hillsdale (5), Louisburg (5) and Beagle (2). That one town is named on 42% of them. Beyond those, NOAA names New Lancaster on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Osawatomie | 6 | 2.50″ |
| Paola | 3 | 4.00″ |
| 3 S Osawatomie | 3 | 1.75″ |
| 1 WSW Paola | 2 | 2.50″ |
| 1 SE Paola | 1 | 3.00″ |
The season runs February through June: 20 of the 24 hail days on record fall in those 5 months (83%). May is the single busiest month, with 8 of them (33%). That peak sits inside the window rather than at either end. Hail has also been reported in July, August, September and October, outside that window. January, November and December are the only months that have never produced a reported hail day.
| Month | Hail days |
|---|---|
| February | 3 |
| March | 3 |
| April | 5 |
| May | 8 |
| June | 1 |
| July | 1 |
| August | 1 |
| September | 1 |
| October | 1 |
That day put 18 reports on the map, the biggest 4 inches near Paola. 1 hail day has already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-04-15 | 4.00″ | 18 |
| 2025-04-16 | 1.25″ | 6 |
| 2023-09-23 | 1.25″ | 1 |
| 2023-05-09 | 1.50″ | 1 |
| 2020-05-04 | 1.25″ | 2 |
| 2019-05-06 | 1.75″ | 2 |
| 2018-08-16 | 1.25″ | 3 |
| 2018-03-25 | 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 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: Franklin County (36 hail days), Linn County (24) and Johnson County (61). Miami County sits in between.
Franklin County · Linn County · Johnson 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, Miami County, Kansas only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.