The most recent reported hail day was 2025-03-15 -- 1 year ago, with nothing reported since. Jefferson Parish is hit in about half the years on record. 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 2015-04-15 near Kenner.
Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in Louisiana. Radar-indicated, not a guarantee of damage.
The last hail here fell on 2025-03-15, around Kenner. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Jefferson Parish 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 17 separate hail days here since 2010 -- 1.0 a year over 17 years of record. They carry 24 reports in total: most hail days here are logged from a single spot. 7 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 6 days since 2022.
Most hail here stays under 2 inches: only 1 of the 17 days on record passed it, 6%, the last on 2015-04-15. They land in the same month as everything else, April. Golf-ball size is rarer still: 1.75 inches or more on 3 of the 17 days.
Across the whole of Louisiana, see the Louisiana hail map and history.
Reports cluster nearest Kenner -- 5 of the parish's 17 hail days -- then Metairie (5), Marrero (3) and Terrytown (2).
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Kenner | 3 | 2.75″ |
| Marrero | 3 | 1.75″ |
| Metairie | 2 | 1.75″ |
| Terrytown | 2 | 1.50″ |
| 2 N Jean Lafitte | 1 | 1.75″ |
The season runs March through June: 14 of the 17 hail days on record fall in those 4 months (82%). April is the single busiest month, with 4 of them (24%). That peak sits inside the window rather than at either end. Hail has also been reported in February and July, outside that window. Reports span 6 of the 12 calendar months; the other 6 have never produced one.
| Month | Hail days |
|---|---|
| February | 2 |
| March | 3 |
| April | 4 |
| May | 4 |
| June | 3 |
| July | 1 |
That day put 1 report on the map, the biggest 1 inch near Kenner. No hail day has been reported here yet this year.
| Date | Max hail | Reports |
|---|---|---|
| 2025-03-15 | 1.00″ | 1 |
| 2024-04-10 | 1.00″ | 1 |
| 2023-06-29 | 1.25″ | 1 |
| 2023-06-19 | 1.00″ | 2 |
| 2022-05-15 | 1.25″ | 1 |
| 2022-03-11 | 1.00″ | 1 |
| 2018-05-18 | 1.00″ | 1 |
| 2017-05-03 | 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 parishes with a page of their own: St. Tammany Parish (21 hail days), Tangipahoa Parish (20) and Livingston Parish (20). Every one of them takes more hail than Jefferson Parish.
St. Tammany Parish · Tangipahoa Parish · Livingston Parish
Back to the Louisiana hail map or the U.S. hail map.
Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Jefferson Parish, Louisiana only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.