Hail History

Hail history for Allenton, Wisconsin

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

Readout · Allenton

Last hail
Sep 20, 2022
1.00 in, quarter size
Hail days, last 5 years
1
since Nov 3, 2021 · 1 report
Largest ever
1.75 in
golf ball · Aug 12, 1974

10 reports on 10 days since 1974 · #230 of 271 Wisconsin places

Hail map · Allenton

Allenton Hartford West Bend Kekoskee Richfield Germantown Cedarburg 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
10 most recent reports with a location; Washington County is shaded. Open street map

For homeowners

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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 Allenton is from September 20, 2022. A local roofer can check and document it at no cost.

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What the record says about Allenton

The latest hail report in and around Allenton is from September 20, 2022, 1.00 in (quarter size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 1.00 in on September 20, 2022.

Over the 20 years 2006–2025, Allenton logged 8 reports on 8 hail days, about 0.4 reports a year. That is 11% less than the median Wisconsin town on this site (0.5 a year) and ranks #230 of 271 Wisconsin cities and towns on this site for all-time reports. Allenton accounts for 7% of the 140 reports filed in Washington County.

0% of reports with a size were 2 inches (hen egg) or larger, against 6% for the median Wisconsin town on this site. The largest hail on record here is 1.75 in (golf ball) on August 12, 1974.

Reports held about level in 2016–2025 (4) compared with 2006–2015 (4). The busiest year was 2020, with 2 reports on 2 days. Hail here peaks in April (30% of reports); 30% fall between April and June.

Reports a year 2006–2025 average

  • Allenton 0.4
  • Washington County 4.7
  • Median Wisconsin town on this site 0.5

Hail days 2006–2025

  • Allenton 8
  • Washington County 46
  • Median Wisconsin town on this site 7

Share 2 in or larger of sized reports

  • Allenton 0%
  • Washington County 5%
  • Median Wisconsin town on this site 6%

Hail over time

012 1974: 1 reports, largest 1.75 in 1980 1990 2000 2001: 1 reports, largest 0.75 in 2006: 1 reports, largest 0.75 in 2007: 1 reports, largest 0.75 in 2008: 1 reports, largest 0.88 in 2010 2015: 1 reports, largest 1.25 in 2020: 2 reports, largest 1.00 in 2020 2021: 1 reports, largest 1.00 in 2022: 1 reports, largest 1.00 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.
0123 Jan Feb Mar April: 3 reports (30%) Apr May Jun July: 1 reports (10%) Jul August: 2 reports (20%) Aug September: 2 reports (20%) Sep October: 2 reports (20%) Oct Nov Dec
All 10 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 0
2024 0
2023 0
2022 1 1
2021 1 1
2020 11 2
2019 0
2018 0
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Sep 20, 2022 1 1.00 in —

Largest hail on record

Largest hail reports in Allenton
Date Size Location County Time · source
Aug 12, 1974 1.75 ingolf ball — Washington 13:50 local · NCEI
Aug 2, 2015 1.25 inhalf dollar Kohlsville Washington 17:30 local · NCEI
Sep 20, 2022 1.00 inquarter 1.47 SSW Allenton Washington 12:39 local · NCEI
Sep 7, 2021 1.00 inquarter Allenton Washington 10:22 local · NCEI
Apr 7, 2020 1.00 inquarter 0.5 W Allenton Washington 14:41 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 Allenton
Date Size Location County Time · source
Sep 20, 2022 1.00 inquarter 1.47 SSW Allenton Washington 12:39 local · NCEI
Sep 7, 2021 1.00 inquarter Allenton Washington 10:22 local · NCEI
Oct 12, 2020 0.75 inpenny 0.5 W Allenton Washington 10:28 local · NCEI
Apr 7, 2020 1.00 inquarter 0.5 W Allenton Washington 14:41 local · NCEI
Aug 2, 2015 1.25 inhalf dollar Kohlsville Washington 17:30 local · NCEI
Apr 25, 2008 0.88 innickel 2.2 W Kohlsville Washington 17:07 local · NCEI
Apr 30, 2007 0.75 inpenny 5 SE Theresa Dodge 19:08 local · NCEI
Oct 1, 2006 0.75 inpenny Kohlsville Washington 20:55 local · NCEI
Jul 3, 2001 0.75 inpenny 2 W Allenton Washington 20:55 local · NCEI
Aug 12, 1974 1.75 ingolf ball — Washington 13:50 local · NCEI

Hail history near Allenton

Questions about hail in Allenton

How often does it hail in Allenton, Wisconsin?

10 hail reports have been logged in and within about 5 km (3 miles) of Allenton since 1974. Over the 20 years 2006–2025 that averages 0.4 reports a year. That ranks #230 of 271 Wisconsin places by number of reports.

When is hail season in Allenton?

Most reports come in April, August, September. April alone accounts for 30% of all reports.

What is the largest hail recorded in Allenton?

1.75 in (golf ball size) on August 12, 1974. 0% of reports here were 2 inches or larger.

When did it last hail in Allenton?

The most recent report in this data is from September 20, 2022 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

1 separate days with hail reports since November 3, 2021, adding up to 1 reports. The most recent was September 20, 2022.

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.