Hail history for Cass County, MO

Cass County has 382 recorded hail events in the NOAA Storm Events Database — 260 of them 1″ or larger and 26 at 2″ or larger. The largest on record: 5.0″ (grapefruit) on July 17, 2023.

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 382 since 1955

1″ or larger 260 NWS severe threshold

2″ or larger 26 hen egg class and up

Largest recorded 5.0″ grapefruit · July 17, 2023

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 Cass County

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

Most recent recorded events

Latest 8 of 382 recorded events · data through April 2026
Date	Size	Comparable to
April 15, 2026	1.0″	Quarter
April 15, 2026	1.25″	Half dollar
June 7, 2024	1.5″	Ping-pong ball
June 7, 2024	1.5″	Ping-pong ball
June 7, 2024	2.0″	Hen egg
May 8, 2024	1.0″	Quarter
March 12, 2024	1.0″	Quarter
September 23, 2023	1.25″	Half dollar

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

From the storm reports

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

April 15, 2026 · 1.25″ (half dollar)

Half dollar sized hail reported near East Lynne.

July 17, 2023 · 5.0″ (grapefruit)

Many softball size hail reports from just west of Garden City. A photo was sent in on social media of a massive 5 diameter hailstone from Aspen Payne Ranch just west of Garden City.

July 17, 2023 · 4.0″ (softball)

Softball size hail was reported on the east side of Harrisonville.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
2	15	20	10	43	153	103	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 Cass County

Has it ever hailed in Cass County?

Yes — 382 hail events have been recorded for Cass County, MO in the NOAA Storm Events Database since 1955, including 260 of 1″ (quarter size) or larger.

When did it last hail in Cass County?

The most recent recorded hail event for Cass County, MO is April 15, 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 Cass County?

5.0″ (grapefruit), recorded on July 17, 2023. 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 Missouri hail history

All 115 Missouri 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.