HailHistoryHail by countyOklahoma › Tulsa County

Oklahoma · county FIPS 40143

Hail history for Tulsa County, OK

Tulsa County has 1,094 recorded hail events in the NOAA Storm Events Database — 588 of them 1″ or larger and 54 at 2″ or larger. The largest on record: 4.5″ (grapefruit) on May 10, 1963.

Records 1950–present Data through April 2026 Peak month May
Core sample · every recorded event, 1955–2026
1950s 1960s 1970s 1980s 1990s 2000s 2010s 2020s 1955 through 2026 largest · 4.5″ grapefruit May 10, 1963

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 1,094 since 1955
1″ or larger 588 NWS severe threshold
2″ or larger 54 hen egg class and up
Largest recorded 4.5 grapefruit · May 10, 1963
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 Tulsa County

13 Jan 9 Feb 136 Mar 257 Apr 312 May 110 Jun 87 Jul 33 Aug 24 Sep 53 Oct 40 Nov 20 Dec

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

Most recent recorded events

Latest 8 of 1,094 recorded events · data through April 2026
DateSizeComparable to
1.25″ Half dollar
1.25″ Half dollar
1.25″ Half dollar
0.75″ Penny
0.75″ Penny
0.75″ Penny
1.0″ Quarter
1.0″ Quarter

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

From the storm reports

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

· 1.25″ (half dollar)

Half dollar size hail damaged homes and vehicles.

· 3.0″ (tea cup)

Hail slightly larger than baseball size damaged vehicles, homes, and businesses.

· 3.0″ (tea cup)

A supercell thunderstorm moved north-northeast across the central portion of Tulsa County producing a several mile wide swath of large, damaging hail. Reports of golfball or larger hail was common in a densely populated area of the county from Jenks to across the City of Tulsa. The largest hailstones reported were 3 inches in diameter. Many automobiles, homes, and businesses were damaged by the hailstorm.

Events by decade

1950s1960s1970s1980s1990s2000s2010s2020s
6262044355222191230

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 Tulsa County

Has it ever hailed in Tulsa County?

Yes — 1,094 hail events have been recorded for Tulsa County, OK in the NOAA Storm Events Database since 1955, including 588 of 1″ (quarter size) or larger.

When did it last hail in Tulsa County?

The most recent recorded hail event for Tulsa County, OK is April 28, 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 Tulsa County?

4.5″ (grapefruit), recorded on May 10, 1963. 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.