Johnson County was hit as recently as 2026-06-17, 44 days ago. Johnson 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 2014-09-01 near Leeton.
Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in Missouri. Radar-indicated, not a guarantee of damage.
The last hail here fell on 2026-06-17, around Holden. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Johnson 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 38 separate hail days here since 2010 -- 2.2 a year over 17 years of record. Those days carry 91 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 2026, with 6 hail days. The last five years have run hotter than the long-run rate: 16 days since 2022, against 1.8 a year before that.
6 of the 38 days reached 2 inches or more -- 16%, or about one hail day in 6, the last on 2026-06-17. Those big days do not follow the county's usual calendar: most of them fall in April, not March. 12 of the 38 days reached golf-ball size, 1.75 inches or bigger.
Across the whole of Missouri, see the Missouri hail map and history.
Reports cluster nearest Warrensburg -- 17 of the county's 38 hail days -- then Leeton (8), Holden (8), Knob Noster (8) and Pittsville (8). That one town is named on 45% of them. Beyond those, NOAA names Kingsville, Whiteman Air Force Base, Centerview, Chilhowee, Whiteman Air Forc, Lone Jack and Whiteman Afb on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Holden | 6 | 1.75″ |
| Knob Noster | 6 | 1.75″ |
| Leeton | 5 | 2.75″ |
| Warrensburg | 5 | 1.75″ |
| Kingsville | 4 | 1.75″ |
The season runs March through August: 31 of the 38 hail days on record fall in those 6 months (82%). March is the single busiest month, with 10 of them (26%). That peak opens the window: the season starts at its worst and eases off from there. Hail has also been reported in February, 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 | 2 |
| March | 10 |
| April | 10 |
| May | 3 |
| June | 3 |
| July | 1 |
| August | 4 |
| September | 4 |
| October | 1 |
That day put 1 report on the map, the biggest 2 inches near Holden. 6 hail days have already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-06-17 | 2.00″ | 1 |
| 2026-04-28 | 1.00″ | 1 |
| 2026-04-27 | 1.00″ | 1 |
| 2026-04-26 | 1.00″ | 1 |
| 2026-04-15 | 1.50″ | 2 |
| 2026-03-10 | 1.00″ | 1 |
| 2025-09-18 | 1.00″ | 2 |
| 2025-03-29 | 1.00″ | 1 |
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: Lafayette County (26 hail days), Henry County (25) and Pettis County (27). Johnson County takes more hail than any of them.
Lafayette County · Henry County · Pettis County
Back to the Missouri hail map or the U.S. hail map.
Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Johnson County, Missouri only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.