HailHistoryHail by countyPennsylvania › Butler County

Pennsylvania · county FIPS 42019

Hail history for Butler County, PA

Butler County has 201 recorded hail events in the NOAA Storm Events Database — 110 of them 1″ or larger and 5 at 2″ or larger. The largest on record: 2.5″ (tennis ball) on March 28, 2020.

Records 1950–present Data through April 2026 Peak month April
Core sample · every recorded event, 1955–2026
1950s 1960s 1970s 1980s 1990s 2000s 2010s 2020s 1955 through 2026 largest · 2.5″ tennis ball March 28, 2020

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 201 since 1956
1″ or larger 110 NWS severe threshold
2″ or larger 5 hen egg class and up
Largest recorded 2.5 tennis ball · March 28, 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 Butler County

Jan 1 Feb 21 Mar 60 Apr 27 May 24 Jun 32 Jul 22 Aug 1 Sep 7 Oct 6 Nov Dec

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

Most recent recorded events

Latest 8 of 201 recorded events · data through April 2026
DateSizeComparable to
1.0″ Quarter
0.75″ Penny
0.88″ Nickel
1.0″ Quarter
1.0″ Quarter
1.25″ Half dollar
1.25″ Half dollar
1.0″ Quarter

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

From the storm reports

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

· 1.0″ (quarter)

Pea to quarter sized hail was reported.

· 2.5″ (tennis ball)

A trained spotter observed tennis ball sized hail.

· 2.5″ (tennis ball)

Two and half inch hail reported by an emergency manager; picture provided.

Events by decade

1950s1960s1970s1980s1990s2000s2010s2020s
1111518505560

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 Butler County

Has it ever hailed in Butler County?

Yes — 201 hail events have been recorded for Butler County, PA in the NOAA Storm Events Database since 1956, including 110 of 1″ (quarter size) or larger.

When did it last hail in Butler County?

The most recent recorded hail event for Butler County, PA is March 22, 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 Butler County?

2.5″ (tennis ball), recorded on March 28, 2020. Hail that size meets or exceeds the National Weather Service severe threshold. 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 Pennsylvania hail history

All 67 Pennsylvania 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.