Hail history for Mequon, Wisconsin
NOAA hail reports in and within about 5 km (3 miles) of Mequon since 1960, with preliminary reports to November 3, 2026.
Readout · Mequon
- Last hail
- Jun 15, 2016
- 1.00 in, quarter size
- Hail days, last 5 years
- 0
- since Nov 3, 2021 · 0 reports
- Largest ever
- 3.00 in
- teacup · Jun 23, 2004
21 reports on 16 days since 1960 · #65 of 271 Wisconsin places
Hail map · Mequon
- 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 Mequon is from June 15, 2016. A local roofer can check and document it at no cost.
What the record says about Mequon
The latest hail report in and around Mequon is from June 15, 2016, 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, Mequon logged 7 reports on 5 hail days, about 0.3 reports a year. That is 22% less than the median Wisconsin town on this site (0.5 a year) and ranks #65 of 271 Wisconsin cities and towns on this site for all-time reports. Mequon accounts for 30% of the 71 reports filed in Ozaukee County.
14% 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 3.00 in (teacup) on June 23, 2004 near Thiensville.
The busiest year was 2016, with 3 reports on 2 days. Hail here peaks in June (29% of reports); 43% fall between April and June.
Reports a year 2006–2025 average
- Mequon 0.3
- Ozaukee County 2.1
- Median Wisconsin town on this site 0.5
Hail days 2006–2025
- Mequon 5
- Ozaukee County 22
- Median Wisconsin town on this site 7
Share 2 in or larger of sized reports
- Mequon 14%
- Ozaukee County 9%
- 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 | 0 | ||||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 0 |
Largest hail on record
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Jun 23, 2004 | 3.00 inteacup | Thiensville | Ozaukee | $50K | 20:59 local · NCEI |
| Jun 14, 1991 | 2.00 inhen egg | — | Ozaukee | — | 12:30 local · NCEI |
| Jul 27, 1989 | 2.00 inhen egg | — | Ozaukee | — | 12:45 local · NCEI |
| Jul 22, 1964 | 1.75 ingolf ball | — | Milwaukee | — | 13:00 local · NCEI |
| Jul 22, 1964 | 1.75 ingolf ball | — | Milwaukee | — | 13:00 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 4 19%
- 1–2 in 14 67%
- 2 in + 3 14%
Most recent reports
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Jun 15, 2016 | 1.00 inquarter | 1.01 E Mequon | Ozaukee | — | 19:23 local · NCEI |
| Jun 15, 2016 | 1.50 inping pong ball | 2.13 WNW Bayside | Ozaukee | — | 19:22 local · NCEI |
| Apr 25, 2016 | 1.00 inquarter | 0.69 N Bartel | Ozaukee | — | 16:37 local · NCEI |
| Aug 2, 2015 | 1.00 inquarter | 1.01 E Thiensville | Ozaukee | — | 18:21 local · NCEI |
| Aug 2, 2015 | 1.00 inquarter | 2.87 WSW Five Corners | Ozaukee | — | 18:05 local · NCEI |
| Sep 27, 2007 | 0.75 inpenny | 4 N Milwaukee Timmerman Airport | Milwaukee | — | 15:23 local · NCEI |
| Sep 8, 2006 | 1.00 inquarter | 2 SE Cedarburg | Ozaukee | — | 15:53 local · NCEI |
| Jun 23, 2004 | 3.00 inteacup | Thiensville | Ozaukee | $50K | 20:59 local · NCEI |
| May 23, 2004 | 0.75 inpenny | Mequon | Ozaukee | — | 19:45 local · NCEI |
| May 23, 2004 | 1.50 inping pong ball | Mequon | Ozaukee | — | 19:43 local · NCEI |
| Aug 1, 2003 | 1.00 inquarter | Mequon | Ozaukee | — | 03:00 local · NCEI |
| Mar 8, 2000 | 0.75 inpenny | Mequon | Ozaukee | — | 19:50 local · NCEI |
Hail history near Mequon
- Germantown 9 km · 31
- Cedarburg 10 km · 19
- Menomonee Falls 10 km · 16
- Grafton 13 km · 12
- Milwaukee 17 km · 97
- Brookfield 18 km · 16
- Richfield 18 km · 10
- Port Washington 22 km · 10
Questions about hail in Mequon
How often does it hail in Mequon, Wisconsin?
21 hail reports have been logged in and within about 5 km (3 miles) of Mequon since 1960. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #65 of 271 Wisconsin places by number of reports.
When is hail season in Mequon?
Most reports come in June, July, August. June alone accounts for 29% of all reports.
What is the largest hail recorded in Mequon?
3.00 in (teacup size) on June 23, 2004 near Thiensville. 14% of reports here were 2 inches or larger.
When did it last hail in Mequon?
The most recent report in this data is from June 15, 2016 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Mequon had in the last five years?
None: there has been no hail report in and within about 5 km (3 miles) of Mequon since November 3, 2021. The last one was on June 15, 2016.
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.