Hail history for Oklahoma County, OK

Oklahoma County has 1,263 recorded hail events in the NOAA Storm Events Database — 840 of them 1″ or larger and 112 at 2″ or larger. The largest on record: 5.0″ (grapefruit) on May 16, 1960.

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 1,263 since 1955

1″ or larger 840 NWS severe threshold

2″ or larger 112 hen egg class and up

Largest recorded 5.0″ grapefruit · May 16, 1960

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 Oklahoma County

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

Most recent recorded events

Latest 8 of 1,263 recorded events · data through April 2026
Date	Size	Comparable to
March 10, 2026	1.25″	Half dollar
March 10, 2026	1.0″	Quarter
March 10, 2026	0.75″	Penny
March 10, 2026	0.75″	Penny
March 10, 2026	0.75″	Penny
March 10, 2026	1.0″	Quarter
March 10, 2026	0.75″	Penny
March 10, 2026	1.75″	Golf ball

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

From the storm reports

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

March 10, 2026 · 2.75″ (baseball)

The event time is estimated based on radar observations.

May 17, 2025 · 4.0″ (softball)

Reported by a broadcast media storm chaser near the intersection of Interstate 40 and Peebly Road.

May 1, 2008 · 3.5″ (softball)

The hail was reported near Douglas Boulevard and 10th street. Baseball size hail was reported near NE 10th and Midwest Boulevard.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
13	43	36	179	221	219	241	311

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 Oklahoma County

Has it ever hailed in Oklahoma County?

Yes — 1,263 hail events have been recorded for Oklahoma County, OK in the NOAA Storm Events Database since 1955, including 840 of 1″ (quarter size) or larger.

When did it last hail in Oklahoma County?

The most recent recorded hail event for Oklahoma County, OK is March 10, 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 Oklahoma County?

5.0″ (grapefruit), recorded on May 16, 1960. 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.