HailHistoryHail by countyOklahoma › Greer County

Oklahoma · county FIPS 40055

Hail history for Greer County, OK

Greer County has 331 recorded hail events in the NOAA Storm Events Database — 223 of them 1″ or larger and 39 at 2″ or larger. The largest on record: 4.5″ (grapefruit) on May 26, 2000.

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 26, 2000

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 331 since 1955
1″ or larger 223 NWS severe threshold
2″ or larger 39 hen egg class and up
Largest recorded 4.5 grapefruit · May 26, 2000
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 Greer County

4 Jan 6 Feb 22 Mar 68 Apr 122 May 63 Jun 12 Jul 8 Aug 11 Sep 9 Oct 5 Nov 1 Dec

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

Most recent recorded events

Latest 8 of 331 recorded events · data through April 2026
DateSizeComparable to
0.75″ Penny
1.0″ Quarter
1.25″ Half dollar
3.0″ Tea cup
3.0″ Tea cup
1.0″ Quarter
0.75″ Penny
1.5″ Ping-pong ball

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

From the storm reports

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

· 0.75″ (penny)

The report was relayed through mPING.

· 3.0″ (tea cup)

Numerous social media and broadcast media images of at least 3-inch diameter hail in Mangum. Widespread damage to buildings and cars was reported. Event time is estimated from radar observations and nearby reports.

· 3.0″ (tea cup)

The report was relayed through mPING.

Events by decade

1950s1960s1970s1980s1990s2000s2010s2020s
711933851154130

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 Greer County

Has it ever hailed in Greer County?

Yes — 331 hail events have been recorded for Greer County, OK in the NOAA Storm Events Database since 1955, including 223 of 1″ (quarter size) or larger.

When did it last hail in Greer County?

The most recent recorded hail event for Greer County, OK is April 17, 2026, with 0.75″ (penny) 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 Greer County?

4.5″ (grapefruit), recorded on May 26, 2000. 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.