HailHistoryHail by countyOklahoma › Kay County

Oklahoma · county FIPS 40071

Hail history for Kay County, OK

Kay County has 562 recorded hail events in the NOAA Storm Events Database — 373 of them 1″ or larger and 50 at 2″ or larger. The largest on record: 4.5″ (grapefruit) on April 27, 1996.

Records 1950–present Data through April 2026 Peak month April
Core sample · every recorded event, 1955–2026
1950s 1960s 1970s 1980s 1990s 2000s 2010s 2020s 1955 through 2026 largest · 4.5″ grapefruit April 27, 1996

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 562 since 1955
1″ or larger 373 NWS severe threshold
2″ or larger 50 hen egg class and up
Largest recorded 4.5 grapefruit · April 27, 1996
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 Kay County

2 Jan 9 Feb 24 Mar 156 Apr 155 May 101 Jun 33 Jul 29 Aug 38 Sep 11 Oct 4 Nov Dec

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

Most recent recorded events

Latest 8 of 562 recorded events · data through April 2026
DateSizeComparable to
3.0″ Tea cup
3.75″ Softball
1.75″ Golf ball
1.75″ Golf ball
2.0″ Hen egg
2.0″ Hen egg
1.0″ Quarter
1.0″ Quarter

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

From the storm reports

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

· 1.75″ (golf ball)

The report was relayed through mPING.

· 4.0″ (softball)

Relayed by emergency management.

· 4.25″ (grapefruit)

The hail was reported in Sumpter.

Events by decade

1950s1960s1970s1980s1990s2000s2010s2020s
54213751311417184

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 Kay County

Has it ever hailed in Kay County?

Yes — 562 hail events have been recorded for Kay County, OK in the NOAA Storm Events Database since 1955, including 373 of 1″ (quarter size) or larger.

When did it last hail in Kay County?

The most recent recorded hail event for Kay County, OK is April 23, 2026, with 3.0″ (tea cup) 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 Kay County?

4.5″ (grapefruit), recorded on April 27, 1996. 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.