Hail History

Hail history for West Allis, Wisconsin

NOAA hail reports in and within about 5 km (3 miles) of West Allis since 1964, with preliminary reports to November 3, 2026.

Readout · West Allis

Last hail
May 15, 2025
1.00 in, quarter size
Hail days, last 5 years
6
since Nov 3, 2021 · 7 reports
Largest ever
1.00 in
quarter · May 15, 2025

12 reports on 11 days since 1964 · #197 of 271 Wisconsin places

Hail map · West Allis

West Allis Milwaukee New Berlin Brookfield Franklin Muskego Waukesha Oak Creek Menomonee Falls 5 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
12 most recent reports with a location; Milwaukee County is shaded. Open street map

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What the record says about West Allis

The latest hail report in and around West Allis is from May 15, 2025, 1.00 in (quarter size). Since November 3, 2021 there have been 6 separate hail days; the biggest stones in that time were 1.00 in on May 15, 2025.

Over the 20 years 2006–2025, West Allis logged 11 reports on 10 hail days, about 0.6 reports a year. That is 22% more than the median Wisconsin town on this site (0.5 a year) and ranks #197 of 271 Wisconsin cities and towns on this site for all-time reports. West Allis accounts for 6% of the 212 reports filed in Milwaukee 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 1.00 in (quarter) on May 15, 2025 near 1.47 SSW State Fair Park.

Reports were up 167% in 2016–2025 (8) compared with 2006–2015 (3). The busiest year was 2025, with 2 reports on 2 days. Hail here peaks in April (33% of reports); 58% fall between April and June.

Reports a year 2006–2025 average

  • West Allis 0.6
  • Milwaukee County 6.8
  • Median Wisconsin town on this site 0.5

Hail days 2006–2025

  • West Allis 10
  • Milwaukee County 50
  • Median Wisconsin town on this site 7

Share 2 in or larger of sized reports

  • West Allis 0%
  • Milwaukee County 3%
  • Median Wisconsin town on this site 6%

Hail over time

012 1964: 1 reports, largest 0.75 in 1970 1980 1990 2000 2010 2014: 2 reports, largest 0.75 in 2015: 1 reports, largest 1.00 in 2016: 1 reports, largest 1.00 in 2020 2022: 2 reports, largest 1.00 in 2023: 1 reports, largest 0.75 in 2024: 2 reports, largest 1.00 in 2025: 2 reports, largest 1.00 in
Reports per year, 1964–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
01234 Jan Feb March: 1 reports (8%) Mar April: 4 reports (33%) Apr May: 2 reports (17%) May June: 1 reports (8%) Jun Jul August: 1 reports (8%) Aug September: 1 reports (8%) Sep Oct November: 2 reports (17%) Nov Dec
All 12 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 11 2
2024 11 2
2023 1 1
2022 2 2
2021 0
2020 0
2019 0
2018 0
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
May 15, 2025 1 1.00 in —
Apr 18, 2025 1 0.75 in —
Jun 25, 2024 1 1.00 in —
Mar 4, 2024 1 0.75 in —
Apr 5, 2023 1 0.75 in —
Nov 4, 2022 2 1.00 in —

Largest hail on record

Largest hail reports in West Allis
Date Size Location County Time · source
May 15, 2025 1.00 inquarter 1.47 SSW State Fair Park Milwaukee 17:45 local · NCEI
Jun 25, 2024 1.00 inquarter 1.71 SW Milwaukee County Zoo Milwaukee 04:27 local · NCEI
Nov 4, 2022 1.00 inquarter 1.55 SSW State Fair Park Milwaukee 14:37 local · NCEI
Nov 4, 2022 1.00 inquarter 1.47 SSW State Fair Park Milwaukee 14:33 local · NCEI
Sep 21, 2016 1.00 inquarter 1.22 SW State Fair Park Milwaukee 04:52 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in West Allis
Date Size Location County Time · source
May 15, 2025 1.00 inquarter 1.47 SSW State Fair Park Milwaukee 17:45 local · NCEI
Apr 18, 2025 0.75 inpenny 0.86 SE Milwaukee County Zoo Milwaukee 07:06 local · NCEI
Jun 25, 2024 1.00 inquarter 1.71 SW Milwaukee County Zoo Milwaukee 04:27 local · NCEI
Mar 4, 2024 0.75 inpenny 3.27 NW Greenfield Milwaukee 17:29 local · NCEI
Apr 5, 2023 0.75 inpenny 1.22 SW State Fair Park Milwaukee 05:52 local · NCEI
Nov 4, 2022 1.00 inquarter 1.55 SSW State Fair Park Milwaukee 14:37 local · NCEI
Nov 4, 2022 1.00 inquarter 1.47 SSW State Fair Park Milwaukee 14:33 local · NCEI
Sep 21, 2016 1.00 inquarter 1.22 SW State Fair Park Milwaukee 04:52 local · NCEI
Aug 2, 2015 1.00 inquarter 1.22 SW State Fair Park Milwaukee 19:03 local · NCEI
May 12, 2014 0.75 inpenny 1.22 SW State Fair Park Milwaukee 18:40 local · NCEI
Apr 12, 2014 0.75 inpenny 1.22 SW State Fair Park Milwaukee 19:23 local · NCEI
Apr 6, 1964 0.75 inpenny — Milwaukee 19:45 local · NCEI

Hail history near West Allis

Questions about hail in West Allis

How often does it hail in West Allis, Wisconsin?

12 hail reports have been logged in and within about 5 km (3 miles) of West Allis since 1964. Over the 20 years 2006–2025 that averages 0.6 reports a year. That ranks #197 of 271 Wisconsin places by number of reports.

When is hail season in West Allis?

Most reports come in April, May, November. April alone accounts for 33% of all reports.

What is the largest hail recorded in West Allis?

1.00 in (quarter size) on May 15, 2025 near 1.47 SSW State Fair Park. 0% of reports here were 2 inches or larger.

When did it last hail in West Allis?

The most recent report in this data is from May 15, 2025 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

6 separate days with hail reports since November 3, 2021, adding up to 7 reports. The most recent was May 15, 2025.

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.