Hail history for Jefferson Parish, LA

Jefferson Parish has 75 recorded hail events in the NOAA Storm Events Database — 54 of them 1″ or larger and 6 at 2″ or larger. The largest on record: 3.0″ (tea cup) on April 6, 1964.

Records 1950–present Data through April 2026 Peak month April

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 75 since 1963

1″ or larger 54 NWS severe threshold

2″ or larger 6 hen egg class and up

Largest recorded 3.0″ tea cup · April 6, 1964

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 Jefferson Parish

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

Most recent recorded events

Latest 8 of 75 recorded events · data through April 2026
Date	Size	Comparable to
March 15, 2025	1.0″	Quarter
April 10, 2024	1.0″	Quarter
June 29, 2023	1.25″	Half dollar
June 19, 2023	1.0″	Quarter
June 19, 2023	1.0″	Quarter
May 15, 2022	1.25″	Half dollar
March 11, 2022	1.0″	Quarter
May 18, 2018	1.0″	Quarter

Looking for a specific storm? Use the did-it-hail date lookup for Jefferson Parish.

From the storm reports

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

March 15, 2025 · 1.0″ (quarter)

Quarter size hail reported near the KMSY airport.

April 15, 2015 · 2.75″ (baseball)

Photo of baseball size hail was sent to TV station through social media from Kenner. Event time was based on radar.

February 24, 2013 · 2.5″ (tennis ball)

A photo posted on social media indicated oblong shaped hailstone in a person's hand with a size of about 2.25 to 2.50 inches.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
0	5	6	4	16	17	20	7

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 Jefferson Parish

Has it ever hailed in Jefferson Parish?

Yes — 75 hail events have been recorded for Jefferson Parish, LA in the NOAA Storm Events Database since 1963, including 54 of 1″ (quarter size) or larger.

When did it last hail in Jefferson Parish?

The most recent recorded hail event for Jefferson Parish, LA is March 15, 2025, 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 Jefferson Parish?

3.0″ (tea cup), recorded on April 6, 1964. 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 Louisiana hail history

All 64 Louisiana 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.