Hail history for Seneca County, OH

Seneca County has 159 recorded hail events in the NOAA Storm Events Database — 78 of them 1″ or larger and 1 at 2″ or larger. The largest on record: 3.0″ (tea cup) on March 14, 2024.

Records 1950–present Data through April 2026 Peak month May

Core sample · every recorded event, 1955–2026

Mark size = measured hail diameter; slivers are events with no recorded size. Amber ≥2″, red ≥2.75″ (baseball class). Denser recent decades partly reflect better reporting, not only more storms.

Recorded events 159 since 1959

1″ or larger 78 NWS severe threshold

2″ or larger 1 hen egg class and up

Largest recorded 3.0″ tea cup · March 14, 2024

Read the record honestly: Storm Events contains what was reported to the National Weather Service. Sparse or rural counties under-report, and coverage improved sharply after the mid-1990s — a quiet-looking stretch is not proof nothing fell.

When it hails in Seneca County

Recorded events by month, 1950–present. The amber bar marks Seneca County's peak: May.

Most recent recorded events

Latest 8 of 159 recorded events · data through April 2026
Date	Size	Comparable to
April 15, 2026	1.25″	Half dollar
April 15, 2026	1.0″	Quarter
March 26, 2026	1.0″	Quarter
September 24, 2024	1.0″	Quarter
March 14, 2024	3.0″	Tea cup
March 14, 2024	1.0″	Quarter
June 15, 2023	1.0″	Quarter
June 15, 2023	1.75″	Golf ball

Looking for a specific storm? Use the did-it-hail date lookup for Seneca County.

From the storm reports

Narratives as filed with the NOAA Storm Events Database (public records; lightly trimmed for length).

April 15, 2026 · 1.0″ (quarter)

Hail up to quarter-size near County Road 50 and South Township Road 159, about 3.5-miles ESE of Tiffin.

March 14, 2024 · 3.0″ (tea cup)

Hail up to 3-inches in diameter in Bloomville.

June 15, 2023 · 1.75″ (golf ball)

Hail up to golf ball-size just east of the Tiffin University Nature Preserve on the west side of Tiffin.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
1	2	4	16	17	64	42	13

The climb across decades is largely a reporting story: spotter networks, radar, and digital filing pulled far more storms into the record after the 1990s.

Questions about hail in Seneca County

Has it ever hailed in Seneca County?

Yes — 159 hail events have been recorded for Seneca County, OH in the NOAA Storm Events Database since 1959, including 78 of 1″ (quarter size) or larger.

When did it last hail in Seneca County?

The most recent recorded hail event for Seneca County, OH is April 15, 2026, with 1.25″ (half dollar) hail. The database is currently updated through April 2026, so a storm from the last few weeks may not appear yet. To check a specific day, use the did-it-hail date lookup.

What is the largest hail ever recorded in Seneca County?

3.0″ (tea cup), recorded on March 14, 2024. Hail that size is destructive-class and typically damages roofs, vehicles, and siding. See how big that really is on the actual-size hail chart.

Does a recorded hail event mean my roof was damaged?

No. This page reports storm records, not damage. Hail size and damage vary block by block within a county, and only an inspection can establish what happened to a specific roof. If you suspect damage, talk to your insurer or a licensed roofer — they can pull the same NOAA records for your claim.

More Ohio hail history

All 88 Ohio counties, ranked by recorded hail →

Source: NOAA/NCEI Storm Events Database, public domain, updated monthly by NCEI — this site's copy runs through April 2026. HailHistory reports records; it does not give insurance advice or assess damage.