Hail history for Warren County, NJ

Warren County has 33 recorded hail events in the NOAA Storm Events Database — 18 of them 1″ or larger. The largest on record: 1.75″ (golf ball) on May 27, 2010.

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 33 since 1956

1″ or larger 18 NWS severe threshold

2″ or larger 0 hen egg class and up

Largest recorded 1.75″ golf ball · May 27, 2010

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 Warren County

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

Most recent recorded events

Latest 8 of 33 recorded events · data through April 2026
Date	Size	Comparable to
June 22, 2024	1.0″	Quarter
June 22, 2024	0.88″	Nickel
September 7, 2023	1.25″	Half dollar
July 22, 2020	0.88″	Nickel
August 7, 2019	1.0″	Quarter
June 28, 2016	1.0″	Quarter
June 30, 2015	1.25″	Half dollar
July 27, 2014	0.88″	Nickel

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

From the storm reports

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

June 22, 2024 · 0.88″ (nickel)

Hail estimated to the size of nickels. Time estimated from radar.

May 27, 2010 · 1.75″ (golf ball)

Golf ball size hail fell in and around Phillipsburg.

July 6, 2007 · 1.75″ (golf ball)

Hail as large as golf balls was reported by the Phillipsburg Police.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
1	1	0	3	2	10	12	4

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 Warren County

Has it ever hailed in Warren County?

Yes — 33 hail events have been recorded for Warren County, NJ in the NOAA Storm Events Database since 1956, including 18 of 1″ (quarter size) or larger.

When did it last hail in Warren County?

The most recent recorded hail event for Warren County, NJ is June 22, 2024, 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 Warren County?

1.75″ (golf ball), recorded on May 27, 2010. 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 New Jersey hail history

All 21 New Jersey 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.