Jefferson County was hit as recently as 2026-05-16, 76 days ago. Jefferson County is hit in most years. The largest stone on record here is 2 inches, a hen egg and twice the National Weather Service's 1 inch severe criterion, reported on 2018-07-20 near Shively.
Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in Kentucky. Radar-indicated, not a guarantee of damage.
The last hail here fell on 2026-05-16, around Louisville. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Jefferson 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 27 separate hail days here since 2010 -- 1.6 a year over 17 years of record. Those days carry 97 separate reports between them, better than three on a typical one. 4 of those 17 years produced none at all. The busiest single year was 2012, with 5 hail days. The last five years track the long-run rate, with 9 days since 2022.
Most hail here stays under 2 inches: only 2 of the 27 days on record passed it, 7%, the last on 2018-07-20. They land in the same month as everything else, April. 7 of the 27 days reached golf-ball size, 1.75 inches or bigger.
Across the whole of Kentucky, see the Kentucky hail map and history.
Reports cluster nearest Louisville -- 15 of the county's 27 hail days -- then Jeffersontown (8), Middletown (5), Fern Creek (4) and Highview (4). That one town is named on 56% of them. Beyond those, NOAA names Shively, Pleasure Ridge Par, Okolona, St. Matthews, Saint Matthews, Lyndon, Anchorage, Hillview and Pewee Valley on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Louisville | 8 | 2.00″ |
| Jeffersontown | 5 | 1.25″ |
| Shively | 3 | 1.75″ |
| Fern Creek | 3 | 1.25″ |
| Pleasure Ridge Par | 3 | 1.25″ |
The season runs March through July: 25 of the 27 hail days on record fall in those 5 months (93%). April is the single busiest month, with 7 of them (26%). That peak sits inside the window rather than at either end. Hail has also been reported in August and October, outside that window. Reports span 7 of the 12 calendar months; the other 5 have never produced one.
| Month | Hail days |
|---|---|
| March | 6 |
| April | 7 |
| May | 4 |
| June | 4 |
| July | 4 |
| August | 1 |
| October | 1 |
That day put 1 report on the map, the biggest 1 inch near Louisville. 1 hail day has already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-05-16 | 1.00″ | 1 |
| 2025-03-19 | 1.00″ | 1 |
| 2025-03-14 | 1.50″ | 6 |
| 2025-03-13 | 1.00″ | 1 |
| 2024-04-02 | 1.00″ | 1 |
| 2024-03-14 | 1.00″ | 3 |
| 2023-07-17 | 1.50″ | 3 |
| 2023-06-25 | 1.50″ | 9 |
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 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: Oldham County (18 hail days), Shelby County (17), Nelson County (15), Floyd County, Indiana (17) and Clark County, Indiana (35). Jefferson County sits in between.
Oldham County · Shelby County · Nelson County · Floyd County, Indiana · Clark County, Indiana
Back to the Kentucky hail map or the U.S. hail map.
Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Jefferson County, Kentucky only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.