Ohio Hail Map & History
Ohio was hit as recently as 2026-09-03, 11 days ago. NOAA's Storm Prediction Center has logged 380 separate hail days in Ohio since 2010, across 2,684 individual storm reports. 55 of those days brought hail 2 inches or larger, and the largest stone on record is 3.5 inches on 2023-02-27 near Beverly, Washington.
Ohio takes spring and summer hail from frontal storms across Columbus, Dayton, and the Cleveland area. Pick a date below to see the NOAA radar swath and reports, or check a specific address.
Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in Ohio. Radar-indicated, not a guarantee of damage.
A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Ohio 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 ->Hail history in Ohio
Ohio averages 22 reported hail days a year across 17 years of NOAA archive, about 3 of them carrying hail 2″ or larger -- the size that routinely totals roofs. Major metros watched here: Columbus, Cleveland, Cincinnati, Dayton.
When it hails in Ohio
Ohio's busiest hail month is May, with 76 of its 380 hail days on record. March through August holds 332 of them, 87% of the record.
| Month | Hail days since 2010 |
|---|---|
| January | 2 |
| February | 7 |
| March | 30 |
| April | 44 |
| May | 76 |
| June | 71 |
| July | 60 |
| August | 51 |
| September | 27 |
| October | 9 |
| November | 2 |
| December | 1 |
Top Ohio counties by hail frequency
| County | Hail days since 2010 | Largest stone |
|---|---|---|
| Hamilton | 33 | 2.00″ |
| Franklin | 33 | 1.75″ |
| Summit | 32 | 2.50″ |
| Stark | 30 | 2.00″ |
| Cuyahoga | 28 | 2.00″ |
| Butler | 26 | 2.00″ |
Ohio hail history by county
60 Ohio counties have at least 13 NOAA hail days on record since 2010 -- enough archive signal for a page of their own. Ordered by hail days.
Franklin County · Hamilton County · Summit County · Stark County · Cuyahoga County · Butler County · Lorain County · Trumbull County · Portage County · Tuscarawas County · Jefferson County · Montgomery County · Richland County · Washington County · Wayne County · Ashland County · Clermont County · Guernsey County · Muskingum County · Columbiana County · Fairfield County · Licking County · Sandusky County · Belmont County · Hancock County · Lucas County · Warren County · Clark County · Clinton County · Greene County · Coshocton County · Holmes County · Knox County · Medina County · Ottawa County · Perry County · Seneca County · Union County · Ashtabula County · Delaware County · Lawrence County · Morrow County · Wood County · Auglaize County · Crawford County · Erie County · Geauga County · Allen County · Athens County · Highland County · Huron County · Logan County · Mercer County · Ross County · Scioto County · Carroll County · Fayette County · Gallia County · Lake County · Monroe County
Recent Ohio hail days
| Date | Max hail | Reports |
|---|---|---|
| 2026-09-03 | 1.75″ | 4 |
| 2026-08-23 | 1.00″ | 1 |
| 2026-08-22 | 1.75″ | 8 |
| 2026-08-12 | 2.00″ | 11 |
| 2026-08-10 | 1.75″ | 9 |
| 2026-08-09 | 1.50″ | 1 |
| 2026-08-07 | 1.00″ | 1 |
| 2026-07-27 | 1.00″ | 1 |
How to read the Ohio map
The colored swath is NOAA's MRMS radar estimate of the largest hail in each ~1 km cell; the dots are individual SPC ground reports. Yellow is around an inch, red is 1.5 to 2″, and purple is 2″ and up -- see how hail size maps to roof damage. Click any spot on the map to see the hail history at that point, or look up a full street address on the hail history by address tool. Today's nationwide activity is on today's hail report.
Nearby states
South Carolina · Indiana · Louisiana · Kentucky · Pennsylvania · Michigan
FAQ
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Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Ohio only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.