The most recent reported hail day was 2026-04-26, 96 days ago. Johnson County is hit in most years, and usually several times over. The largest stone on record here is 3 inches, a teacup and 3 times the National Weather Service's 1 inch severe criterion, reported on 2024-03-13 near Bonner Springs.
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 2026-04-26, around Shawnee. 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.
Get free access Check an addressOur US-based call center calls the homeowners in this storm and books roof inspections straight onto your calendar. You work the storm; we fill the schedule. We dial -- you do not have to knock a single door.
See call-center options ->NOAA's Storm Prediction Center has logged 61 separate hail days here since 2010 -- 3.6 a year over 17 years of record. Those days carry 282 separate reports between them, better than three on a typical one. Exactly one year since 2010 passed with no reported hail day at all. The busiest single year was 2021, with 7 hail days. The last five years track the long-run rate, with 17 days since 2022.
9 of the 61 days reached 2 inches or more -- 15%, or about one hail day in 7, the last on 2024-05-08. They land in the same month as everything else, May. 25 of the 61 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 Olathe -- 27 of the county's 61 hail days -- then Lenexa (14), Shawnee (12), De Soto (11) and Overland Park (10). That one town is named on 44% of them. Beyond those, NOAA names Stanley, Lake Quivira, Clare, Merriam, Stillwell, Gardner, Spring Hill, Bonner Springs and Edgerton on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Olathe | 11 | 1.75″ |
| De Soto | 8 | 1.75″ |
| Shawnee | 6 | 2.75″ |
| Overland Park | 5 | 1.75″ |
| 1 NW Olathe | 4 | 1.75″ |
The season runs March through July: 49 of the 61 hail days on record fall in those 5 months (80%). May is the single busiest month, with 15 of them (25%). That peak sits inside the window rather than at either end. Hail has also been reported in August, September, October and December, outside that window. January, February and November are the only months that have never produced a reported hail day.
| Month | Hail days |
|---|---|
| March | 7 |
| April | 12 |
| May | 15 |
| June | 10 |
| July | 5 |
| August | 2 |
| September | 8 |
| October | 1 |
| December | 1 |
That day put 13 reports on the map, the biggest 1.75 inches near Shawnee. 5 hail days have already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-04-26 | 1.75″ | 13 |
| 2026-04-23 | 1.00″ | 1 |
| 2026-04-17 | 1.00″ | 1 |
| 2026-04-15 | 1.00″ | 5 |
| 2026-03-10 | 1.50″ | 26 |
| 2025-09-16 | 1.75″ | 6 |
| 2025-05-19 | 1.75″ | 12 |
| 2025-04-24 | 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 3 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: Wyandotte County (26 hail days), Leavenworth County (39), Miami County (24), Jackson County, Missouri (52) and Platte County, Missouri (49). Johnson County takes more hail than any of them.
Wyandotte County · Leavenworth County · Miami County · Jackson County, Missouri · Platte County, Missouri
Back to the Kansas hail map or the U.S. hail map.
Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Johnson County, Kansas only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.