Hail history for Graham County, KS

Graham County has 358 recorded hail events in the NOAA Storm Events Database — 229 of them 1″ or larger and 37 at 2″ or larger. The largest on record: 4.5″ (grapefruit) on June 10, 2008.

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 358 since 1957

1″ or larger 229 NWS severe threshold

2″ or larger 37 hen egg class and up

Largest recorded 4.5″ grapefruit · June 10, 2008

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 Graham County

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

Most recent recorded events

Latest 8 of 358 recorded events · data through April 2026
Date	Size	Comparable to
May 18, 2025	1.0″	Quarter
April 23, 2025	0.88″	Nickel
July 31, 2024	1.0″	Quarter
June 18, 2024	1.0″	Quarter
May 25, 2024	0.75″	Penny
May 6, 2024	0.75″	Penny
May 6, 2024	0.75″	Penny
May 6, 2024	0.75″	Penny

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

From the storm reports

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

May 18, 2025 · 1.0″ (quarter)

A public report of quarter sized hail.

June 10, 2008 · 4.5″ (grapefruit)

NSSL SHAVE project gathered dozens of reports of large hail in a 30 mile swath across Graham County. Most reports were golf ball or larger, with softball size (4.50) diameter hailstones reported south of Hill City.

June 10, 2008 · 4.25″ (grapefruit)

Softball size hail was reported to have covered the ground.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
5	11	12	15	61	150	68	36

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 Graham County

Has it ever hailed in Graham County?

Yes — 358 hail events have been recorded for Graham County, KS in the NOAA Storm Events Database since 1957, including 229 of 1″ (quarter size) or larger.

When did it last hail in Graham County?

The most recent recorded hail event for Graham County, KS is May 18, 2025, 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 Graham County?

4.5″ (grapefruit), recorded on June 10, 2008. 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 Kansas hail history

All 105 Kansas 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.