Hail history for Rock County, NE

Rock County has 265 recorded hail events in the NOAA Storm Events Database — 176 of them 1″ or larger and 26 at 2″ or larger. The largest on record: 4.25″ (grapefruit) on June 8, 2020.

Records 1950–present Data through April 2026 Peak month June

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 265 since 1962

1″ or larger 176 NWS severe threshold

2″ or larger 26 hen egg class and up

Largest recorded 4.25″ grapefruit · June 8, 2020

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 Rock County

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

Most recent recorded events

Latest 8 of 265 recorded events · data through April 2026
Date	Size	Comparable to
June 22, 2025	1.25″	Half dollar
August 26, 2024	1.75″	Golf ball
July 30, 2024	0.75″	Penny
June 25, 2024	1.75″	Golf ball
June 25, 2024	1.0″	Quarter
June 7, 2024	1.75″	Golf ball
June 7, 2024	1.0″	Quarter
May 14, 2024	1.75″	Golf ball

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

From the storm reports

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

June 7, 2024 · 1.75″ (golf ball)

Time estimated by Radar.

May 6, 2008 · 4.25″ (grapefruit)

Softball size hail was observed at the Rose church. Windows were knocked out of one vehicle.

June 24, 1998 · 3.5″ (softball)

Damage to vehicles and buildings

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
0	3	5	8	51	112	58	28

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 Rock County

Has it ever hailed in Rock County?

Yes — 265 hail events have been recorded for Rock County, NE in the NOAA Storm Events Database since 1962, including 176 of 1″ (quarter size) or larger.

When did it last hail in Rock County?

The most recent recorded hail event for Rock County, NE is June 22, 2025, with 1.25″ (half dollar) 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 Rock County?

4.25″ (grapefruit), recorded on June 8, 2020. 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 Nebraska hail history

All 93 Nebraska 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.