Hail History

Hail history for Williamsburg, Iowa

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

Readout · Williamsburg

Last hail
May 13, 2023
1.25 in, half dollar size
Hail days, last 5 years
3
since Nov 3, 2021 · 4 reports
Largest ever
2.75 in
baseball · May 10, 2003

14 reports on 11 days since 1974 · #307 of 483 Iowa places

Hail map · Williamsburg

Williamsburg Marengo Ladora North English Victor 10 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; Iowa County is shaded. Open street map

For homeowners

Roof damage after hail? Get a free inspection

Hail bruises shingles and cracks seals in ways you can't see from the ground, and most insurers set a claim deadline after the storm. The latest hail report in Williamsburg is from May 13, 2023. A local roofer can check and document it at no cost.

Phone line opening soon

What would a claim cost you? Try the hail claim calculator

Preview: this form is not connected yet. Nothing you enter is sent or stored.

Roofer? Get hail alerts for your area with StormScope

What the record says about Williamsburg

The latest hail report in and around Williamsburg is from May 13, 2023, 1.25 in (half dollar size). Since November 3, 2021 there have been 3 separate hail days; the biggest stones in that time were 1.25 in on May 13, 2023.

Over the 20 years 2006–2025, Williamsburg logged 8 reports on 5 hail days, about 0.4 reports a year. That is 11% less than the median Iowa town on this site (0.5 a year) and ranks #307 of 483 Iowa cities and towns on this site for all-time reports. Williamsburg accounts for 11% of the 128 reports filed in Iowa County.

14% of reports with a size were 2 inches (hen egg) or larger, against 6% for the median Iowa town on this site. The largest hail on record here is 2.75 in (baseball) on May 10, 2003 near 3 S Williamsburg.

Reports held about level in 2016–2025 (4) compared with 2006–2015 (4). The busiest year was 2023, with 4 reports on 3 days. Hail here peaks in May (43% of reports); 86% fall between April and June.

Reports a year 2006–2025 average

  • Williamsburg 0.4
  • Iowa County 4.3
  • Median Iowa town on this site 0.5

Hail days 2006–2025

  • Williamsburg 5
  • Iowa County 46
  • Median Iowa town on this site 7

Share 2 in or larger of sized reports

  • Williamsburg 14%
  • Iowa County 4%
  • Median Iowa town on this site 6%

Hail over time

01234 1974: 1 reports, largest 1.75 in 1980 1990 1999: 1 reports, largest 0.75 in 2000: 2 reports, largest 1.00 in 2000 2003: 1 reports, largest 2.75 in 2005: 1 reports, largest 0.88 in 2010: 2 reports, largest 1.00 in 2010 2011: 2 reports, largest 2.00 in 2020 2023: 4 reports, largest 1.25 in
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 Feb Mar April: 5 reports (36%) Apr May: 6 reports (43%) May June: 1 reports (7%) Jun July: 1 reports (7%) Jul Aug September: 1 reports (7%) 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 22 4
2022 0
2021 0
2020 0
2019 0
2018 0
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
May 13, 2023 1 1.25 in —
May 7, 2023 1 1.00 in —
Apr 4, 2023 2 1.00 in —

Largest hail on record

Largest hail reports in Williamsburg
Date Size Location County Damage Time · source
May 10, 2003 2.75 inbaseball 3 S Williamsburg Iowa $1.0 million 16:53 local · NCEI
May 22, 2011 2.00 inhen egg 0.86 SW Williamsburg Iowa — 14:04 local · NCEI
May 13, 1974 1.75 ingolf ball — Iowa — 18:10 local · NCEI
May 13, 2023 1.25 inhalf dollar 2.58 W Williamsburg Iowa — 11:45 local · NCEI
May 7, 2023 1.00 inquarter 0.69 S Williamsburg Iowa — 16:10 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 Williamsburg
Date Size Location County Damage Time · source
May 13, 2023 1.25 inhalf dollar 2.58 W Williamsburg Iowa — 11:45 local · NCEI
May 7, 2023 1.00 inquarter 0.69 S Williamsburg Iowa — 16:10 local · NCEI
Apr 4, 2023 1.00 inquarter Williamsburg Iowa — 07:09 local · NCEI
Apr 4, 2023 1.00 inquarter 1.24 SW Williamsburg Iowa — 07:05 local · NCEI
May 22, 2011 2.00 inhen egg 0.86 SW Williamsburg Iowa — 14:04 local · NCEI
May 22, 2011 0.75 inpenny 0.86 SW Williamsburg Iowa — 13:58 local · NCEI
Apr 5, 2010 0.88 innickel 0.86 SW Williamsburg Iowa — 16:10 local · NCEI
Apr 5, 2010 1.00 inquarter 3.17 ESE Genoa Bluff Iowa — 16:10 local · NCEI
Jun 4, 2005 0.88 innickel 2 W Van Horne Benton — 20:07 local · NCEI
May 10, 2003 2.75 inbaseball 3 S Williamsburg Iowa $1.0 million 16:53 local · NCEI
Sep 11, 2000 1.00 inquarter Williamsburg Iowa — 18:15 local · NCEI
Jul 26, 2000 0.75 inpenny Williamsburg Iowa — 18:15 local · NCEI

Hail history near Williamsburg

Questions about hail in Williamsburg

How often does it hail in Williamsburg, Iowa?

14 hail reports have been logged in and within about 5 km (3 miles) of Williamsburg since 1974. Over the 20 years 2006–2025 that averages 0.4 reports a year. That ranks #307 of 483 Iowa places by number of reports.

When is hail season in Williamsburg?

Most reports come in May, April, June. May alone accounts for 43% of all reports.

What is the largest hail recorded in Williamsburg?

2.75 in (baseball size) on May 10, 2003 near 3 S Williamsburg. 14% of reports here were 2 inches or larger.

When did it last hail in Williamsburg?

The most recent report in this data is from May 13, 2023 (1.25 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

3 separate days with hail reports since November 3, 2021, adding up to 4 reports. The most recent was May 13, 2023.

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.