The most recent reported hail day was 2025-09-16, 318 days ago. Richland Parish 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 2025-09-16 near Rayville.
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 2025-09-16, around Rayville. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Richland Parish 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 24 separate hail days here since 2010 -- 1.4 a year over 17 years of record. They carry 35 reports in total: most hail days here are logged from a single spot. 5 of those 17 years produced none at all. One year dominates the record: 2012 alone produced 5 of the 24 days. The last five years track the long-run rate, with 6 days since 2022.
No stone of 2 inches or more has ever been reported in Richland Parish: all 24 hail days on record topped out below that. 6 of the 24 days reached golf-ball size, 1.75 inches or bigger.
Across the whole of Louisiana, see the Louisiana hail map and history.
Reports cluster nearest Rayville -- 11 of the parish's 24 hail days -- then Mangham (5), Delhi (4), Start (3) and Alto (2). That one town is named on 46% of them.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Mangham | 4 | 1.25″ |
| Rayville | 3 | 1.00″ |
| Delhi | 2 | 1.75″ |
| 4 N Rayville | 2 | 1.00″ |
| 1 Nnw Delhi | 1 | 1.75″ |
The season runs March through June: 20 of the 24 hail days on record fall in those 4 months (83%). April is the single busiest month, with 9 of them (38%). That peak sits inside the window rather than at either end. Hail has also been reported in August, September and November, outside that window. Reports span 7 of the 12 calendar months; the other 5 have never produced one.
| Month | Hail days |
|---|---|
| March | 6 |
| April | 9 |
| May | 4 |
| June | 1 |
| August | 2 |
| September | 1 |
| November | 1 |
That day put 1 report on the map, the biggest 1.75 inches near Rayville. No hail day has been reported here yet this year.
| Date | Max hail | Reports |
|---|---|---|
| 2025-09-16 | 1.75″ | 1 |
| 2025-05-02 | 1.00″ | 1 |
| 2025-05-01 | 1.00″ | 2 |
| 2023-04-02 | 1.25″ | 1 |
| 2023-03-26 | 1.75″ | 2 |
| 2022-04-04 | 1.00″ | 1 |
| 2021-03-16 | 1.25″ | 1 |
| 2020-03-28 | 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 1.75 inches, which is the red band. Look up a street address with the hail history by address tool.
The nearest parishes with a page of their own: Franklin Parish (24 hail days), Ouachita Parish (32) and Morehouse Parish (28). Richland Parish sits in between.
Franklin Parish · Ouachita Parish · Morehouse 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, Richland Parish, Louisiana only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.