Hail history for Milwaukee County, Wisconsin
Every NOAA hail report filed in Milwaukee County since 1956, with preliminary National Weather Service reports to November 3, 2026.
Readout · Milwaukee County
- Last hail
- Apr 21, 2026
- 1.00 in, quarter size
- Hail days, last 5 years
- 19
- since Nov 3, 2021 · 57 reports
- Largest ever
- 3.00 in
- teacup · Aug 2, 2015
212 reports on 104 days since 1956 · #6 of 73 Wisconsin counties
Hail map · Milwaukee County
- 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 Milwaukee County is from April 21, 2026. A local roofer can check and document it at no cost.
Phone line opening soon
What the record says about Milwaukee County
The latest hail report in Milwaukee County is from April 21, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 19 separate hail days; the biggest stones in that time were 1.75 in on May 15, 2025.
Over the 20 years 2006–2025, Milwaukee County logged 135 reports on 50 hail days, about 6.8 reports a year. That is about twice the median Wisconsin county (3.5 a year) and ranks #6 of 73 Wisconsin counties for all-time reports. Milwaukee County holds 2% of all 9,358 hail reports in Wisconsin.
3% of reports with a size were 2 inches (hen egg) or larger, against 7% for the median Wisconsin county. The largest hail on record here is 3.00 in (teacup) on August 2, 2015 near 1.02 SE St Martins.
Reports held about level in 2016–2025 (69) compared with 2006–2015 (66). The busiest year was 2006, with 22 reports on 7 days. Hail here peaks in April (19% of reports); 57% fall between April and June.
Reports a year 2006–2025 average
- Milwaukee County 6.8
- Median Wisconsin county 3.5
Hail days 2006–2025
- Milwaukee County 50
- Median Wisconsin county 37
Share 2 in or larger of sized reports
- Milwaukee County 3%
- Median Wisconsin county 7%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 5 | 5 | |||||||||||
| 2025 | 2 | 6 | 1 | 9 | |||||||||
| 2024 | 5 | 14 | 2 | 21 | |||||||||
| 2023 | 10 | 2 | 3 | 15 | |||||||||
| 2022 | 4 | 1 | 2 | 7 | |||||||||
| 2021 | 2 | 2 | |||||||||||
| 2020 | 2 | 2 | |||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 1 | 1 | |||||||||||
| 2017 | 3 | 1 | 2 | 6 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Apr 21, 2026 | 3 | 1.00 in | — |
| Apr 15, 2026 | 1 | 1.00 in | — |
| Apr 14, 2026 | 1 | 1.00 in | — |
| Sep 22, 2025 | 1 | 0.75 in | — |
| May 15, 2025 | 6 | 1.75 in | — |
| Apr 18, 2025 | 2 | 0.75 in | — |
| Jun 25, 2024 | 2 | 1.00 in | — |
| May 24, 2024 | 1 | 0.75 in | — |
| May 7, 2024 | 13 | 1.50 in | — |
| Mar 4, 2024 | 5 | 0.75 in | — |
| Aug 24, 2023 | 3 | 1.25 in | — |
| Jun 29, 2023 | 2 | 1.00 in | — |
| Apr 20, 2023 | 7 | 1.00 in | — |
| Apr 5, 2023 | 1 | 0.75 in | — |
| Apr 4, 2023 | 2 | 1.00 in | — |
| Nov 4, 2022 | 2 | 1.00 in | — |
| Jul 23, 2022 | 1 | 0.75 in | — |
| Jun 13, 2022 | 2 | 1.25 in | — |
| Jun 10, 2022 | 2 | 0.75 in | — |
Largest hail on record
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| Aug 2, 2015 | 3.00 inteacup | 1.02 SE St Martins | — | 19:25 local · NCEI |
| May 12, 2014 | 2.00 inhen egg | 1.71 NW Wauwatosa | — | 18:48 local · NCEI |
| Apr 13, 2006 | 2.00 inhen egg | 2 SW Brown Deer | $2.0 million | 21:43 local · NCEI |
| Sep 9, 1991 | 2.00 inhen egg | — | — | 17:29 local · NCEI |
| Jul 6, 1987 | 2.00 inhen egg | — | — | 16:15 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 106 50%
- 1–2 in 100 47%
- 2 in + 6 3%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Apr 21, 2026 | 1.00 inquarter | 1.01 W (Mke)mitchell Apt Mi | 11:26 local · NCEI |
| Apr 21, 2026 | 1.00 inquarter | 0.69 N (Mke)mitchell Apt Mi | 11:24 local · NCEI |
| Apr 21, 2026 | 1.00 inquarter | 0.86 NW Greenfield | 11:21 local · NCEI |
| Apr 15, 2026 | 1.00 inquarter | 0.69 N Hales Corners | 19:32 local · NCEI |
| Apr 14, 2026 | 1.00 inquarter | 1.01 W Milwaukee Timmerman Airport | 17:40 local · NCEI |
| Sep 22, 2025 | 0.75 inpenny | 1.52 E St Martins | 20:42 local · NCEI |
| May 15, 2025 | 1.75 ingolf ball | 1.01 E Rawson | 18:05 local · NCEI |
| May 15, 2025 | 1.00 inquarter | 1.52 E Rawson | 18:01 local · NCEI |
| May 15, 2025 | 1.00 inquarter | Oak Creek | 18:01 local · NCEI |
| May 15, 2025 | 1.00 inquarter | 0.86 NW Carrollville | 18:01 local · NCEI |
| May 15, 2025 | 1.00 inquarter | 0.69 S Greendale | 17:54 local · NCEI |
| May 15, 2025 | 1.00 inquarter | 1.47 SSW State Fair Park | 17:45 local · NCEI |
Cities and towns in Milwaukee County
| Place | Reports | Largest |
|---|---|---|
| Milwaukee | 97 | 2.00 in |
| Oak Creek | 16 | 1.75 in |
| Franklin | 14 | 3.00 in |
| West Allis | 12 | 1.00 in |
Smaller places with fewer than 10 reports
These places have too few reports for a page of their own, so their record lives here.
| Place | Reports | Hail days | Latest |
|---|---|---|---|
| Greenfield | 9 | 7 | Apr 21, 2026 |
| Brown Deer | 8 | 5 | Mar 21, 2007 |
| Cudahy | 8 | 7 | Sep 13, 2021 |
| South Milwaukee | 7 | 4 | May 7, 2024 |
| Greendale | 6 | 5 | May 7, 2024 |
| Hales Corners | 4 | 4 | Apr 15, 2026 |
| St. Francis | 4 | 4 | May 7, 2024 |
| Fox Point | 3 | 3 | Jun 29, 2023 |
| Glendale | 3 | 3 | Jun 10, 2022 |
| River Hills | 2 | 2 | Jun 29, 2023 |
| Shorewood | 1 | 1 | Aug 2, 2006 |
| Wauwatosa | 1 | 1 | Oct 4, 2006 |
| West Milwaukee | 1 | 1 | Oct 2, 2006 |
Questions about hail in Milwaukee County
How often does it hail in Milwaukee County, Wisconsin?
212 hail reports have been logged in Milwaukee County since 1956. Over the 20 years 2006–2025 that averages 6.8 reports a year. That ranks #6 of 73 Wisconsin counties by number of reports.
When is hail season in Milwaukee County?
Most reports come in April, June, May. April alone accounts for 19% of all reports.
What is the largest hail recorded in Milwaukee County?
3.00 in (teacup size) on August 2, 2015 near 1.02 SE St Martins. 3% of reports here were 2 inches or larger.
When did it last hail in Milwaukee County?
The most recent report in this data is from April 21, 2026 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Milwaukee County had in the last five years?
19 separate days with hail reports since November 3, 2021, adding up to 57 reports. The most recent was April 21, 2026.
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.