HailHistory › Hail by county › Kentucky › Union County
Kentucky · county FIPS 21225
Hail history for Union County, KY
Union County has 52 recorded hail events in the NOAA Storm Events Database — 32 of them 1″ or larger and 2 at 2″ or larger. The largest on record: 2.75″ (baseball) on March 28, 2009.
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.
When it hails in Union County
Recorded events by month, 1950–present. The amber bar marks Union County's peak: May.
Most recent recorded events
| Date | Size | Comparable to |
|---|---|---|
| 1.0″ | Quarter | |
| 1.0″ | Quarter | |
| 1.0″ | Quarter | |
| 0.88″ | Nickel | |
| 1.25″ | Half dollar | |
| 1.0″ | Quarter | |
| 1.0″ | Quarter | |
| 1.0″ | Quarter |
Looking for a specific storm? Use the did-it-hail date lookup for Union County.
From the storm reports
Narratives as filed with the NOAA Storm Events Database (public records; lightly trimmed for length).
· 1.0″ (quarter)
Quarter size hail was estimated near Sullivan.
· 1.75″ (golf ball)
Golf ball size hail was reported just east of Morganfield.
· 2.75″ (baseball)
Very large hail occurred with the supercell that crossed the county. Baseball size hail near the community of Pride broke windshields and shredded siding of modular homes. Quarter-size hail was reported in Morganfield.
Events by decade
| 1950s | 1960s | 1970s | 1980s | 1990s | 2000s | 2010s | 2020s |
|---|---|---|---|---|---|---|---|
| 0 | 0 | 4 | 3 | 9 | 19 | 10 | 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 Union County
Has it ever hailed in Union County?
Yes — 52 hail events have been recorded for Union County, KY in the NOAA Storm Events Database since 1974, including 32 of 1″ (quarter size) or larger.
When did it last hail in Union County?
The most recent recorded hail event for Union County, KY is May 16, 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 Union County?
2.75″ (baseball), recorded on March 28, 2009. 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
- Jefferson County 207
- Pulaski County 150
- Daviess County 146
- Christian County 139
- Pike County 138
- Warren County 131
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.