The most recent reported hail day was 2026-04-25, 97 days ago. Johnson County is hit in most years. The largest stone on record here is 1.75 inches, a golf ball and 1.8 times the National Weather Service's 1 inch severe criterion, reported on 2023-02-15 near Ozone.
Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in Arkansas. Radar-indicated, not a guarantee of damage.
The last hail here fell on 2026-04-25, around Ozone. 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 21 separate hail days here since 2010 -- 1.2 a year over 17 years of record. They carry 32 reports in total: most hail days here are logged from a single spot. 5 of those 17 years produced none at all. The busiest single year was 2013, with 3 hail days. The last five years track the long-run rate, with 5 days since 2022.
No stone of 2 inches or more has ever been reported in Johnson County: all 21 hail days on record topped out below that. Golf-ball size is rarer still: 1.75 inches or more on 5 of the 21 days.
Across the whole of Arkansas, see the Arkansas hail map and history.
Reports cluster nearest Clarksville -- 8 of the county's 21 hail days -- then Coal Hill (5), Lamar (4), Harmony (2) and Ozone (2). Beyond those, NOAA names Oark on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Clarksville | 4 | 1.75″ |
| Ozone | 2 | 1.75″ |
| 3 W Clarksville | 2 | 1.25″ |
| Coal Hill | 2 | 1.00″ |
| Harmony | 2 | 1.00″ |
The season runs March through August: 17 of the 21 hail days on record fall in those 6 months (81%). April is the single busiest month, with 7 of them (33%). That peak sits inside the window rather than at either end. Hail has also been reported in February, October and December, outside that window. January, September and November are the only months that have never produced a reported hail day.
| Month | Hail days |
|---|---|
| February | 2 |
| March | 2 |
| April | 7 |
| May | 3 |
| June | 1 |
| July | 1 |
| August | 3 |
| October | 1 |
| December | 1 |
That day put 1 report on the map, the biggest 1 inch near Ozone. 1 hail day has already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-04-25 | 1.00″ | 1 |
| 2025-05-16 | 1.25″ | 3 |
| 2025-03-14 | 1.00″ | 2 |
| 2023-04-15 | 1.00″ | 1 |
| 2023-02-15 | 1.75″ | 1 |
| 2020-04-19 | 1.50″ | 1 |
| 2019-04-17 | 1.00″ | 1 |
| 2018-08-19 | 1.75″ | 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 1.75 inches, which is the red band. Look up a street address with the hail history by address tool.
The nearest counties with a page of their own: Logan County (24 hail days), Franklin County (29) and Pope County (31). Every one of them takes more hail than Johnson County.
Logan County · Franklin County · Pope County
Back to the Arkansas hail map or the U.S. hail map.
Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Johnson County, Arkansas only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.