Hail history for Cleveland County, OK

Cleveland County has 849 recorded hail events in the NOAA Storm Events Database — 584 of them 1″ or larger and 82 at 2″ or larger. The largest on record: 4.6″ (grapefruit) on May 10, 2010.

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 849 since 1956

1″ or larger 584 NWS severe threshold

2″ or larger 82 hen egg class and up

Largest recorded 4.6″ grapefruit · May 10, 2010

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 Cleveland County

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

Most recent recorded events

Latest 8 of 849 recorded events · data through April 2026
Date	Size	Comparable to
April 28, 2026	1.0″	Quarter
April 28, 2026	1.0″	Quarter
April 28, 2026	0.75″	Penny
April 24, 2026	1.0″	Quarter
January 8, 2026	0.75″	Penny
October 23, 2025	1.0″	Quarter
October 23, 2025	0.75″	Penny
October 23, 2025	1.0″	Quarter

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

From the storm reports

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

April 28, 2026 · 0.75″ (penny)

The report was relayed through mPING.

April 28, 2021 · 3.0″ (tea cup)

Measured 3.2 inch hailstone.

May 10, 2010 · 4.6″ (grapefruit)

Photographic evidence showed numerous hail stones at least softball size, with one picture showing a measured stone of 4.6. Other hail stones were reportedly up to 5 in diameter. Some of the hail either embedded in roof tops, or punctured their way through. Significant damage to automobiles was also reported throughout the town of Moore.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
3	20	17	72	107	191	167	272

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 Cleveland County

Has it ever hailed in Cleveland County?

Yes — 849 hail events have been recorded for Cleveland County, OK in the NOAA Storm Events Database since 1956, including 584 of 1″ (quarter size) or larger.

When did it last hail in Cleveland County?

The most recent recorded hail event for Cleveland County, OK is April 28, 2026, with 1.0″ (quarter) 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 Cleveland County?

4.6″ (grapefruit), recorded on May 10, 2010. 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 Oklahoma hail history

All 77 Oklahoma 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.