Hail history for Carter County, OK

Carter County has 513 recorded hail events in the NOAA Storm Events Database — 315 of them 1″ or larger and 36 at 2″ or larger. The largest on record: 4.5″ (grapefruit) on May 22, 2011.

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 513 since 1955

1″ or larger 315 NWS severe threshold

2″ or larger 36 hen egg class and up

Largest recorded 4.5″ grapefruit · May 22, 2011

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 Carter County

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

Most recent recorded events

Latest 8 of 513 recorded events · data through April 2026
Date	Size	Comparable to
April 28, 2026	1.0″	Quarter
April 15, 2026	1.0″	Quarter
April 15, 2026	1.0″	Quarter
April 15, 2026	0.88″	Nickel
May 22, 2025	0.88″	Nickel
May 22, 2025	2.0″	Hen egg
May 22, 2025	1.75″	Golf ball
May 22, 2025	1.0″	Quarter

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

From the storm reports

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

April 28, 2026 · 1.0″ (quarter)

The report was relayed through mPING. The event time was adjusted based on radar observations.

April 27, 2024 · 3.0″ (tea cup)

Time is radar estimated.

May 22, 2011 · 4.5″ (grapefruit)

Up to 4.50 inch diameter hail was reported in and around Lone Grove. The hail broke several windows out of home and automobiles. Monetary damage estimates were not available.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
7	21	16	84	164	84	73	64

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 Carter County

Has it ever hailed in Carter County?

Yes — 513 hail events have been recorded for Carter County, OK in the NOAA Storm Events Database since 1955, including 315 of 1″ (quarter size) or larger.

When did it last hail in Carter County?

The most recent recorded hail event for Carter 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 Carter County?

4.5″ (grapefruit), recorded on May 22, 2011. 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.