Hail history for Waukesha, Wisconsin
NOAA hail reports in and within about 5 km (3 miles) of Waukesha since 1980, with preliminary reports to November 3, 2026.
Readout · Waukesha
- Last hail
- Apr 18, 2025
- 0.75 in, penny size
- Hail days, last 5 years
- 4
- since Nov 3, 2021 · 4 reports
- Largest ever
- 1.75 in
- golf ball · Sep 6, 2010
26 reports on 21 days since 1980 · #45 of 271 Wisconsin places
Hail map · Waukesha
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
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 Waukesha is from April 18, 2025. A local roofer can check and document it at no cost.
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What the record says about Waukesha
The latest hail report in and around Waukesha is from April 18, 2025, 0.75 in (penny size). Since November 3, 2021 there have been 4 separate hail days; the biggest stones in that time were 1.00 in on June 13, 2022.
Over the 20 years 2006–2025, Waukesha logged 18 reports on 15 hail days, about 0.9 reports a year. That is about twice the median Wisconsin town on this site (0.5 a year) and ranks #45 of 271 Wisconsin cities and towns on this site for all-time reports. Waukesha accounts for 10% of the 265 reports filed in Waukesha 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 September 6, 2010 near 1 S Downtown Waukesha.
Reports were down 20% in 2016–2025 (8) compared with 2006–2015 (10). The busiest year was 2000, with 3 reports on 1 day. Hail here peaks in May (35% of reports); 58% fall between April and June.
Reports a year 2006–2025 average
- Waukesha 0.9
- Waukesha County 8.9
- Median Wisconsin town on this site 0.5
Hail days 2006–2025
- Waukesha 15
- Waukesha County 67
- Median Wisconsin town on this site 7
Share 2 in or larger of sized reports
- Waukesha 0%
- Waukesha County 6%
- Median Wisconsin town on this site 6%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 1 | 1 | |||||||||||
| 2024 | 1 | 1 | |||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 1 | 1 | 2 | ||||||||||
| 2021 | 2 | 2 | |||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 2 | 2 | |||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Apr 18, 2025 | 1 | 0.75 in | — |
| May 7, 2024 | 1 | 0.75 in | — |
| Jun 13, 2022 | 1 | 1.00 in | — |
| Apr 22, 2022 | 1 | 0.88 in | — |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Sep 6, 2010 | 1.75 ingolf ball | 1 S Downtown Waukesha | Waukesha | 07:25 local · NCEI |
| Jun 5, 1980 | 1.75 ingolf ball | — | Waukesha | 11:56 local · NCEI |
| Jun 13, 2022 | 1.00 inquarter | 2.13 SSE Downtown Waukesha | Waukesha | 15:16 local · NCEI |
| May 2, 2018 | 1.00 inquarter | 1.24 SW Downtown Waukesha | Waukesha | 19:44 local · NCEI |
| May 2, 2018 | 1.00 inquarter | 1.22 NE Bethesda | Waukesha | 19:26 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
- Under 1 in 16 62%
- 1–2 in 10 38%
- 2 in + 0 0%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Apr 18, 2025 | 0.75 inpenny | 0.86 SW Waukesha Co Arpt | Waukesha | 06:57 local · NCEI |
| May 7, 2024 | 0.75 inpenny | 2.13 SSE Downtown Waukesha | Waukesha | 19:52 local · NCEI |
| Jun 13, 2022 | 1.00 inquarter | 2.13 SSE Downtown Waukesha | Waukesha | 15:16 local · NCEI |
| Apr 22, 2022 | 0.88 innickel | 2.07 S Downtown Waukesha | Waukesha | 20:00 local · NCEI |
| Sep 13, 2021 | 0.75 inpenny | 1.01 W Goerkes Corner | Waukesha | 02:40 local · NCEI |
| Sep 13, 2021 | 0.75 inpenny | 2.45 SW Waukesha Co Arpt | Waukesha | 02:34 local · NCEI |
| May 2, 2018 | 1.00 inquarter | 1.24 SW Downtown Waukesha | Waukesha | 19:44 local · NCEI |
| May 2, 2018 | 1.00 inquarter | 1.22 NE Bethesda | Waukesha | 19:26 local · NCEI |
| Aug 14, 2015 | 1.00 inquarter | 2.31 SSE Edgewood | Waukesha | 18:33 local · NCEI |
| Aug 2, 2015 | 0.88 innickel | 1.22 SW Downtown Waukesha | Waukesha | 18:40 local · NCEI |
| May 7, 2014 | 1.00 inquarter | 1.22 SE Downtown Waukesha | Waukesha | 09:15 local · NCEI |
| Aug 30, 2013 | 0.88 innickel | 1.22 SW Waukesha Co Arpt | Waukesha | 14:34 local · NCEI |
Hail history near Waukesha
- New Berlin 10 km · 16
- Brookfield 12 km · 16
- Delafield 13 km · 10
- Hartland 13 km · 10
- Vernon 15 km · 12
- Mukwonago 18 km · 18
- West Allis 18 km · 12
- Muskego 18 km · 11
Questions about hail in Waukesha
How often does it hail in Waukesha, Wisconsin?
26 hail reports have been logged in and within about 5 km (3 miles) of Waukesha since 1980. Over the 20 years 2006–2025 that averages 0.9 reports a year. That ranks #45 of 271 Wisconsin places by number of reports.
When is hail season in Waukesha?
Most reports come in May, August, September. May alone accounts for 35% of all reports.
What is the largest hail recorded in Waukesha?
1.75 in (golf ball size) on September 6, 2010 near 1 S Downtown Waukesha. 0% of reports here were 2 inches or larger.
When did it last hail in Waukesha?
The most recent report in this data is from April 18, 2025 (0.75 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Waukesha had in the last five years?
4 separate days with hail reports since November 3, 2021, adding up to 4 reports. The most recent was April 18, 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.