SwathIQ / Hail map / Ohio

Ohio Hail Map & History

Ohio was hit as recently as 2026-06-25, 36 days ago. NOAA's Storm Prediction Center has logged 372 separate hail days in Ohio since 2010, across 2,648 individual storm reports. 54 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.

372
hail days since 2010
54
days with 2″+ hail
14
hail days this year
3.50″
largest stone on record

Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in Ohio. Radar-indicated, not a guarantee of damage.

Working Ohio? Turn a storm into a route.

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.

Get free access Check an address
Found a storm? Let Call Center Doctors dial it.

Our 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 ->

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 372 hail days on record. March through August holds 325 of them, 87% of the record.

MonthHail days since 2010
January2
February7
March30
April44
May76
June71
July59
August45
September26
October9
November2
December1

Top Ohio counties by hail frequency

CountyHail days since 2010Largest stone
Hamilton332.00″
Franklin331.75″
Summit302.50″
Stark292.00″
Cuyahoga272.00″
Butler262.00″

Ohio hail history by county

58 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 · Richland County · Washington County · Wayne County · Ashland County · Clermont County · Guernsey County · Montgomery County · Muskingum County · Columbiana County · Fairfield County · Licking County · Sandusky County · Belmont County · Hancock County · Warren County · Clark County · Clinton County · Greene County · Coshocton County · Holmes County · Knox County · Lucas County · Perry County · Seneca County · Union County · Ashtabula County · Delaware County · Lawrence County · Medina County · Morrow County · Ottawa County · Wood County · Auglaize County · Crawford County · Erie County · Athens County · Geauga County · Highland County · Huron County · Logan County · Ross County · Scioto County · Allen County · Carroll County · Fayette County · Mercer County · Monroe County

Recent Ohio hail days

DateMax hailReports
2026-06-251.75″6
2026-06-101.00″1
2026-06-061.75″4
2026-05-161.25″1
2026-04-221.50″14
2026-04-152.00″35
2026-04-141.50″3
2026-04-131.00″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

How often does it hail in Ohio?
NOAA has logged 372 hail days in Ohio since 2010, including 54 days with hail 2 inches or larger.
When is hail season in Ohio?
Ohio's busiest hail month is May, with 76 of its 372 hail days on record. March through August holds 325 of them, 87% of the record.
How big does hail get in Ohio?
The largest stone in the NOAA record for Ohio is 3.5 inches on 2023-02-27 near Beverly, Washington. Every report on this page is 1 inch or larger, the National Weather Service severe criterion.
When was the last hail in Ohio?
The most recent reported hail day was 2026-06-25. 14 hail days have been reported so far this year.
Is the Ohio hail map free?
Yes, no login. A free account adds door-knock address lists and CRM exports.
How far back does the data go?
NOAA SPC storm reports since 2010, with high-resolution MRMS radar swaths for recent storms.

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.