The most recent reported hail day was 2023-07-20 -- 3 years ago, with nothing reported since. Allen County is hit in about half the years on record. 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 2017-07-16 near Bluffton.
Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in Ohio. Radar-indicated, not a guarantee of damage.
The last hail here fell on 2023-07-20, around Harrod. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Allen 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 13 separate hail days here since 2010 -- 0.8 a year over 17 years of record. They carry 16 reports in total: most hail days here are logged from a single spot. 10 of those 17 years produced none at all. One year dominates the record: 2011 alone produced 3 of the 13 days. The last five years track the long-run rate, with 4 days since 2022.
No stone of 2 inches or more has ever been reported in Allen County: all 13 hail days on record topped out below that. Golf-ball size is rarer still: 1.75 inches or more on 1 of the 13 days.
Across the whole of Ohio, see the Ohio hail map and history.
Reports cluster nearest Lima -- 4 of the county's 13 hail days -- then Cairo (2) and Delphos (2).
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Bluffton | 1 | 1.75″ |
| 1 Se Cairo | 1 | 1.25″ |
| Harrod | 1 | 1.25″ |
| 1 N Lima | 1 | 1.00″ |
| 1 Ne Delphos | 1 | 1.00″ |
The season runs March through July: 13 of the 13 hail days on record fall in those 5 months (100%). May is the single busiest month, with 4 of them (31%). That peak sits inside the window rather than at either end. Reports span 5 of the 12 calendar months; the other 7 have never produced one.
| Month | Hail days |
|---|---|
| March | 3 |
| April | 2 |
| May | 4 |
| June | 1 |
| July | 3 |
That day put 1 report on the map, the biggest 1.25 inches near Harrod. No hail day has been reported here yet this year.
| Date | Max hail | Reports |
|---|---|---|
| 2023-07-20 | 1.25″ | 1 |
| 2023-03-22 | 1.00″ | 1 |
| 2022-05-03 | 1.00″ | 1 |
| 2022-03-23 | 1.00″ | 1 |
| 2020-03-28 | 1.25″ | 2 |
| 2017-07-16 | 1.75″ | 3 |
| 2017-07-10 | 1.00″ | 1 |
| 2013-04-10 | 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 counties with a page of their own: Auglaize County (15 hail days), Hancock County (19) and Logan County (14). Every one of them takes more hail than Allen County.
Auglaize County · Hancock County · Logan County
Back to the Ohio hail map or the U.S. hail map.
Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Allen County, Ohio only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.