Hail history for Washington County, Wisconsin
Every NOAA hail report filed in Washington County since 1958, with preliminary National Weather Service reports to November 3, 2026.
Readout · Washington County
- Last hail
- Jul 2, 2026
- 1.00 in, quarter size
- Hail days, last 5 years
- 11
- since Nov 3, 2021 · 25 reports
- Largest ever
- 2.50 in
- tennis ball · Apr 7, 2020
140 reports on 81 days since 1958 · #25 of 73 Wisconsin counties
Hail map · Washington County
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
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What the record says about Washington County
The latest hail report in Washington County is from July 2, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 11 separate hail days; the biggest stones in that time were 1.75 in on April 19, 2023.
Over the 20 years 2006–2025, Washington County logged 94 reports on 46 hail days, about 4.7 reports a year. That is 34% more than the median Wisconsin county (3.5 a year) and ranks #25 of 73 Wisconsin counties for all-time reports. Washington County holds 1% of all 9,358 hail reports in Wisconsin.
5% 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 2.50 in (tennis ball) on April 7, 2020 near 1.71 NE Kirchhayn.
Reports held about level in 2016–2025 (45) compared with 2006–2015 (49). The busiest year was 2006, with 14 reports on 8 days. Hail here peaks in April (21% of reports); 51% fall between April and June.
Reports a year 2006–2025 average
- Washington County 4.7
- Median Wisconsin county 3.5
Hail days 2006–2025
- Washington County 46
- Median Wisconsin county 37
Share 2 in or larger of sized reports
- Washington County 5%
- Median Wisconsin county 7%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 5 | 1 | 6 | ||||||||||
| 2025 | 4 | 4 | |||||||||||
| 2024 | 1 | 1 | 2 | 4 | |||||||||
| 2023 | 6 | 1 | 1 | 8 | |||||||||
| 2022 | 1 | 2 | 3 | ||||||||||
| 2021 | 5 | 5 | |||||||||||
| 2020 | 5 | 1 | 2 | 8 | |||||||||
| 2019 | 2 | 2 | |||||||||||
| 2018 | 1 | 1 | |||||||||||
| 2017 | 1 | 1 | 2 | 4 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jul 2, 2026 | 1 | 1.00 in | — |
| Apr 14, 2026 | 5 | 1.25 in | — |
| May 15, 2025 | 4 | 1.25 in | — |
| Jun 25, 2024 | 2 | 1.00 in | — |
| May 7, 2024 | 1 | 0.75 in | — |
| Feb 8, 2024 | 1 | 1.00 in | — |
| Jul 22, 2023 | 1 | 0.88 in | — |
| Jun 29, 2023 | 1 | 0.75 in | — |
| Apr 19, 2023 | 6 | 1.75 in | — |
| Sep 20, 2022 | 2 | 1.25 in | — |
| Jun 10, 2022 | 1 | 0.75 in | — |
Largest hail on record
| Date | Size | Location | Time · source |
|---|---|---|---|
| Apr 7, 2020 | 2.50 intennis ball | 1.71 NE Kirchhayn | 14:59 local · NCEI |
| Apr 7, 2020 | 2.50 intennis ball | 1.38 N Jackson | 14:52 local · NCEI |
| Aug 2, 2015 | 2.50 intennis ball | 1.66 WSW Young America | 17:30 local · NCEI |
| Jul 27, 1989 | 2.50 intennis ball | — | 12:30 local · NCEI |
| Aug 2, 2015 | 2.00 inhen egg | West Bend | 17:34 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 59 42%
- 1–2 in 74 53%
- 2 in + 7 5%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Jul 2, 2026 | 1.00 inquarter | 0.5 W Kirchhayn | 18:09 local · NCEI |
| Apr 14, 2026 | 1.25 inhalf dollar | 2.13 SSW Germantown | 17:59 local · NCEI |
| Apr 14, 2026 | 1.00 inquarter | 1.47 SSW Germantown | 17:59 local · NCEI |
| Apr 14, 2026 | 1.00 inquarter | 0.85 SE Rockfield | 17:47 local · NCEI |
| Apr 14, 2026 | 1.00 inquarter | 0.69 S Germantown | 17:41 local · NCEI |
| Apr 14, 2026 | 1.00 inquarter | 0.5 E Plat | 17:30 local · NCEI |
| May 15, 2025 | 1.25 inhalf dollar | 1.47 SSE Hartford | 17:24 local · NCEI |
| May 15, 2025 | 1.00 inquarter | 1.01 E Hartford | 17:23 local · NCEI |
| May 15, 2025 | 1.00 inquarter | 0.86 SE Colgate | 16:52 local · NCEI |
| May 15, 2025 | 1.00 inquarter | 1.01 W Colgate | 16:40 local · NCEI |
| Jun 25, 2024 | 1.00 inquarter | 1.22 SE Myra | 04:04 local · NCEI |
| Jun 25, 2024 | 0.88 innickel | 0.5 W Hartford | 04:02 local · NCEI |
Cities and towns in Washington County
| Place | Reports | Largest |
|---|---|---|
| Germantown | 31 | 2.50 in |
| Hartford | 31 | 1.75 in |
| West Bend | 23 | 2.50 in |
| Allenton | 10 | 1.75 in |
| Richfield | 10 | 2.00 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 |
|---|---|---|---|
| Jackson | 9 | 8 | Apr 19, 2023 |
| Kewaskum | 8 | 7 | Sep 7, 2021 |
| Slinger | 7 | 7 | Sep 20, 2022 |
| Newburg | 4 | 4 | Aug 2, 2015 |
Questions about hail in Washington County
How often does it hail in Washington County, Wisconsin?
140 hail reports have been logged in Washington County since 1958. Over the 20 years 2006–2025 that averages 4.7 reports a year. That ranks #25 of 73 Wisconsin counties by number of reports.
When is hail season in Washington County?
Most reports come in April, August, May. April alone accounts for 21% of all reports.
What is the largest hail recorded in Washington County?
2.50 in (tennis ball size) on April 7, 2020 near 1.71 NE Kirchhayn. 5% of reports here were 2 inches or larger.
When did it last hail in Washington County?
The most recent report in this data is from July 2, 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 Washington County had in the last five years?
11 separate days with hail reports since November 3, 2021, adding up to 25 reports. The most recent was July 2, 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.