Hail History

Hail history for Williamstown, Kentucky

NOAA hail reports in and within about 5 km (3 miles) of Williamstown since 1974, with preliminary reports to November 3, 2026.

Readout · Williamstown

Last hail
Apr 29, 2017
1.00 in, quarter size
Hail days, last 5 years
0
since Nov 3, 2021 · 0 reports
Largest ever
1.75 in
golf ball · Aug 3, 2015

14 reports on 11 days since 1974 · #102 of 156 Kentucky places

Hail map · Williamstown

Williamstown Dry Ridge Falmouth Owenton 5 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
14 most recent reports with a location; Grant County is shaded. Open street map

For homeowners

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What the record says about Williamstown

The latest hail report in and around Williamstown is from April 29, 2017, 1.00 in (quarter size). There has been no hail report here in the five years since November 3, 2021.

Over the 20 years 2006–2025, Williamstown logged 8 reports on 5 hail days, about 0.4 reports a year. That is 20% less than the median Kentucky town on this site (0.5 a year) and ranks #102 of 156 Kentucky cities and towns on this site for all-time reports. Williamstown accounts for 35% of the 40 reports filed in Grant County.

0% of reports with a size were 2 inches (hen egg) or larger, against 4% for the median Kentucky town on this site. The largest hail on record here is 1.75 in (golf ball) on August 3, 2015 near 0.88 NW Williamstown.

Reports were down 86% in 2016–2025 (1) compared with 2006–2015 (7). The busiest year was 2015, with 5 reports on 2 days. Hail here peaks in April (36% of reports); 64% fall between April and June.

Reports a year 2006–2025 average

  • Williamstown 0.4
  • Grant County 0.9
  • Median Kentucky town on this site 0.5

Hail days 2006–2025

  • Williamstown 5
  • Grant County 12
  • Median Kentucky town on this site 8

Share 2 in or larger of sized reports

  • Williamstown 0%
  • Grant County 8%
  • Median Kentucky town on this site 4%

Hail over time

0246 1974: 1 reports, largest 1.50 in 1980 1982: 1 reports, largest 1.75 in 1983: 1 reports, largest 0.75 in 1990 2000: 1 reports, largest 0.75 in 2000 2002: 1 reports, largest 0.75 in 2003: 1 reports, largest 1.00 in 2008: 1 reports, largest 0.75 in 2010 2012: 1 reports, largest 1.00 in 2015: 5 reports, largest 1.75 in 2017: 1 reports, largest 1.00 in 2020
Reports per year, 1974–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0246 Jan February: 1 reports (7%) Feb March: 1 reports (7%) Mar April: 5 reports (36%) Apr May: 2 reports (14%) May June: 2 reports (14%) Jun Jul August: 3 reports (21%) Aug Sep Oct Nov Dec
All 14 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 0
2024 0
2023 0
2022 0
2021 0
2020 0
2019 0
2018 0
2017 1 1

Largest hail on record

Largest hail reports in Williamstown
Date Size Location County Time · source
Aug 3, 2015 1.75 ingolf ball 0.88 NW Williamstown Grant 18:34 local · NCEI
Jun 9, 1982 1.75 ingolf ball — Grant 15:05 local · NCEI
Apr 1, 1974 1.50 inping pong ball — Grant 16:30 local · NCEI
Apr 29, 2017 1.00 inquarter Williamstown Grant 00:15 local · NCEI
Aug 3, 2015 1.00 inquarter 0.88 NW Williamstown Grant 18:31 local · NCEI

Sizes filed before 1996 are often rough estimates (round numbers like 7.00 or 8.00 in) without an exact spot; they are shown as NOAA filed them.

Size of every report

Most recent reports

Most recent hail reports in Williamstown
Date Size Location County Damage Time · source
Apr 29, 2017 1.00 inquarter Williamstown Grant — 00:15 local · NCEI
Aug 3, 2015 1.75 ingolf ball 0.88 NW Williamstown Grant — 18:34 local · NCEI
Aug 3, 2015 1.00 inquarter 0.88 NW Williamstown Grant — 18:31 local · NCEI
Aug 3, 2015 0.88 innickel 0.88 NW Williamstown Grant — 18:29 local · NCEI
Apr 8, 2015 0.88 innickel 0.88 NW Williamstown Grant — 17:35 local · NCEI
Apr 8, 2015 1.00 inquarter 0.88 NW Williamstown Grant — 17:30 local · NCEI
Mar 2, 2012 1.00 inquarter 5 WSW Dry Ridge Grant — 16:35 local · NCEI
Jun 4, 2008 0.75 inpenny 0.88 NW Heekin Grant $1K 12:45 local · NCEI
May 5, 2003 1.00 inquarter Corinth Grant — 16:15 local · NCEI
Feb 20, 2002 0.75 inpenny 5 S Williamstown Grant — 14:44 local · NCEI
May 16, 2000 0.75 inpenny Locust Grove Pendleton — 23:30 local · NCEI
Apr 28, 1983 0.75 inpenny — Grant — 19:12 local · NCEI

Hail history near Williamstown

Questions about hail in Williamstown

How often does it hail in Williamstown, Kentucky?

14 hail reports have been logged in and within about 5 km (3 miles) of Williamstown since 1974. Over the 20 years 2006–2025 that averages 0.4 reports a year. That ranks #102 of 156 Kentucky places by number of reports.

When is hail season in Williamstown?

Most reports come in April, August, May. April alone accounts for 36% of all reports.

What is the largest hail recorded in Williamstown?

1.75 in (golf ball size) on August 3, 2015 near 0.88 NW Williamstown. 0% of reports here were 2 inches or larger.

When did it last hail in Williamstown?

The most recent report in this data is from April 29, 2017 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has Williamstown had in the last five years?

None: there has been no hail report in and within about 5 km (3 miles) of Williamstown since November 3, 2021. The last one was on April 29, 2017.

Where does this hail data come from?

Hail reports come from the NOAA NCEI Storm Events Database, which the National Weather Service compiles from spotter, public, law enforcement and media reports. Recent days use preliminary NWS Local Storm Reports via the Iowa Environmental Mesonet until NOAA publishes final data. Only reported hail is counted, so areas with fewer people tend to have fewer reports.