Hail history for Custer County, SD

Custer County has 682 recorded hail events in the NOAA Storm Events Database — 517 of them 1″ or larger and 58 at 2″ or larger. The largest on record: 6.0″ (grapefruit) on June 22, 1968.

Records 1950–present Data through April 2026 Peak month July

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 682 since 1955

1″ or larger 517 NWS severe threshold

2″ or larger 58 hen egg class and up

Largest recorded 6.0″ grapefruit · June 22, 1968

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 Custer County

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

Most recent recorded events

Latest 8 of 682 recorded events · data through April 2026
Date	Size	Comparable to
August 13, 2025	0.75″	Penny
July 6, 2025	1.0″	Quarter
July 1, 2025	1.0″	Quarter
July 1, 2025	1.0″	Quarter
July 1, 2025	1.0″	Quarter
July 1, 2025	1.0″	Quarter
June 29, 2025	1.0″	Quarter
June 29, 2025	1.0″	Quarter

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

From the storm reports

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

August 13, 2025 · 0.75″ (penny)

Report through mping.

June 21, 2013 · 4.25″ (grapefruit)

Softball size hail damaged property.

May 24, 2010 · 4.0″ (softball)

Very large hail damaged a few homes and automobiles near Buffalo Gap.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
3	5	3	16	47	204	251	153

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 Custer County

Has it ever hailed in Custer County?

Yes — 682 hail events have been recorded for Custer County, SD in the NOAA Storm Events Database since 1955, including 517 of 1″ (quarter size) or larger.

When did it last hail in Custer County?

The most recent recorded hail event for Custer County, SD is August 13, 2025, 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 Custer County?

6.0″ (grapefruit), recorded on June 22, 1968. 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 South Dakota hail history

All 66 South Dakota 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.