Hail history for East Troy, Wisconsin
NOAA hail reports in and within about 5 km (3 miles) of East Troy since 1997, with preliminary reports to November 3, 2026.
Readout · East Troy
- Last hail
- May 15, 2025
- 2.00 in, hen egg size
- Hail days, last 5 years
- 1
- since Nov 3, 2021 · 5 reports
- Largest ever
- 2.00 in
- hen egg · May 15, 2025
14 reports on 10 days since 1997 · #145 of 271 Wisconsin places
Hail map · East Troy
- 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 East Troy
The latest hail report in and around East Troy is from May 15, 2025, 2.00 in (hen egg size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 2.00 in on May 15, 2025.
Over the 20 years 2006–2025, East Troy logged 8 reports on 4 hail days, about 0.4 reports a year. That is 11% less than the median Wisconsin town on this site (0.5 a year) and ranks #145 of 271 Wisconsin cities and towns on this site for all-time reports. East Troy accounts for 10% of the 139 reports filed in Walworth County.
7% 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 2.00 in (hen egg) on May 15, 2025 near 0.69 N East Troy.
Reports were up 200% in 2016–2025 (6) compared with 2006–2015 (2). The busiest year was 2025, with 5 reports on 1 day. Hail here peaks in May (57% of reports); 64% fall between April and June.
Reports a year 2006–2025 average
- East Troy 0.4
- Walworth County 4.1
- Median Wisconsin town on this site 0.5
Hail days 2006–2025
- East Troy 4
- Walworth County 38
- Median Wisconsin town on this site 7
Share 2 in or larger of sized reports
- East Troy 7%
- Walworth County 4%
- 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 | 5 | 5 | |||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 1 | 1 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| May 15, 2025 | 5 | 2.00 in | — |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| May 15, 2025 | 2.00 inhen egg | 0.69 N East Troy | Walworth | 17:08 local · NCEI |
| May 15, 2025 | 1.50 inping pong ball | 3.45 N Spring Prairie | Walworth | 17:00 local · NCEI |
| May 15, 2025 | 1.25 inhalf dollar | 0.69 N East Troy | Walworth | 17:03 local · NCEI |
| May 8, 2000 | 1.25 inhalf dollar | East Troy | Walworth | 15:25 local · NCEI |
| May 15, 2025 | 1.00 inquarter | 0.51 W East Troy | Walworth | 17:06 local · NCEI |
Size of every report
- Under 1 in 4 29%
- 1–2 in 9 64%
- 2 in + 1 7%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| May 15, 2025 | 2.00 inhen egg | 0.69 N East Troy | Walworth | 17:08 local · NCEI |
| May 15, 2025 | 1.00 inquarter | 0.51 W East Troy | Walworth | 17:06 local · NCEI |
| May 15, 2025 | 1.25 inhalf dollar | 0.69 N East Troy | Walworth | 17:03 local · NCEI |
| May 15, 2025 | 1.50 inping pong ball | 3.45 N Spring Prairie | Walworth | 17:00 local · NCEI |
| May 15, 2025 | 1.00 inquarter | 0.51 W East Troy | Walworth | 17:00 local · NCEI |
| Jun 19, 2017 | 1.00 inquarter | 0.69 N East Troy | Walworth | 13:04 local · NCEI |
| Sep 21, 2010 | 1.00 inquarter | 2 NNE East Troy | Walworth | 16:09 local · NCEI |
| Oct 2, 2006 | 0.75 inpenny | 3.5 SW Eagle | Waukesha | 18:16 local · NCEI |
| Aug 18, 2005 | 1.00 inquarter | East Troy | Walworth | 19:39 local · NCEI |
| Jul 23, 2005 | 0.75 inpenny | East Troy | Walworth | 15:07 local · NCEI |
| May 14, 2001 | 0.88 innickel | East Troy | Walworth | 10:45 local · NCEI |
| May 18, 2000 | 0.75 inpenny | East Troy | Walworth | 13:07 local · NCEI |
Hail history near East Troy
Questions about hail in East Troy
How often does it hail in East Troy, Wisconsin?
14 hail reports have been logged in and within about 5 km (3 miles) of East Troy since 1997. Over the 20 years 2006–2025 that averages 0.4 reports a year. That ranks #145 of 271 Wisconsin places by number of reports.
When is hail season in East Troy?
Most reports come in May, August, June. May alone accounts for 57% of all reports.
What is the largest hail recorded in East Troy?
2.00 in (hen egg size) on May 15, 2025 near 0.69 N East Troy. 7% of reports here were 2 inches or larger.
When did it last hail in East Troy?
The most recent report in this data is from May 15, 2025 (2.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has East Troy had in the last five years?
1 separate days with hail reports since November 3, 2021, adding up to 5 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.