HailHistoryHail by countyKentucky › Jefferson County

Kentucky · county FIPS 21111

Hail history for Jefferson County, KY

Jefferson County has 207 recorded hail events in the NOAA Storm Events Database — 154 of them 1″ or larger and 14 at 2″ or larger. The largest on record: 2.75″ (baseball) on May 3, 1996.

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 · 2.75″ baseball May 3, 1996

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 207 since 1961
1″ or larger 154 NWS severe threshold
2″ or larger 14 hen egg class and up
Largest recorded 2.75 baseball · May 3, 1996
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 County

3 Jan 6 Feb 24 Mar 60 Apr 36 May 19 Jun 33 Jul 12 Aug 2 Sep 6 Oct 6 Nov Dec

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

Most recent recorded events

Latest 8 of 207 recorded events · data through April 2026
DateSizeComparable to
1.0″ Quarter
1.0″ Quarter
1.0″ Quarter
1.5″ Ping-pong ball
1.5″ Ping-pong ball
1.0″ Quarter
1.0″ Quarter
1.0″ Quarter

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

From the storm reports

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

· 1.0″ (quarter)

Up to quarter sized hail covered the ground.

· 2.0″ (hen egg)

The National Weather Service Meteorologist in Charge observed 2 inch hail at Churchhill Downs.

· 2.0″ (hen egg)

Numerous reports of damaging hail were received from the Fern Creek area. One spotter reported 2 inch hail. Large hail damaged vehicles and the siding of several homes. A NWS employee observed many leaves stripped from trees and localized fog resulting from patches of hail left on the ground 2 hours after the storm passed.

Events by decade

1950s1960s1970s1980s1990s2000s2010s2020s
0791912627028

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 County

Has it ever hailed in Jefferson County?

Yes — 207 hail events have been recorded for Jefferson County, KY in the NOAA Storm Events Database since 1961, including 154 of 1″ (quarter size) or larger.

When did it last hail in Jefferson County?

The most recent recorded hail event for Jefferson County, KY is March 19, 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 County?

2.75″ (baseball), recorded on May 3, 1996. 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 Kentucky hail history

All 120 Kentucky 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.