Hail history for Allenton, Wisconsin
NOAA hail reports in and within about 5 km (3 miles) of Allenton since 1974, with preliminary reports to November 3, 2026.
Readout · Allenton
- Last hail
- Sep 20, 2022
- 1.00 in, quarter size
- Hail days, last 5 years
- 1
- since Nov 3, 2021 · 1 report
- Largest ever
- 1.75 in
- golf ball · Aug 12, 1974
10 reports on 10 days since 1974 · #230 of 271 Wisconsin places
Hail map · Allenton
- 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 Allenton is from September 20, 2022. A local roofer can check and document it at no cost.
What the record says about Allenton
The latest hail report in and around Allenton is from September 20, 2022, 1.00 in (quarter size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 1.00 in on September 20, 2022.
Over the 20 years 2006–2025, Allenton logged 8 reports on 8 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 #230 of 271 Wisconsin cities and towns on this site for all-time reports. Allenton accounts for 7% of the 140 reports filed in Washington 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 August 12, 1974.
Reports held about level in 2016–2025 (4) compared with 2006–2015 (4). The busiest year was 2020, with 2 reports on 2 days. Hail here peaks in April (30% of reports); 30% fall between April and June.
Reports a year 2006–2025 average
- Allenton 0.4
- Washington County 4.7
- Median Wisconsin town on this site 0.5
Hail days 2006–2025
- Allenton 8
- Washington County 46
- Median Wisconsin town on this site 7
Share 2 in or larger of sized reports
- Allenton 0%
- Washington County 5%
- 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 | 1 | 1 | |||||||||||
| 2021 | 1 | 1 | |||||||||||
| 2020 | 1 | 1 | 2 | ||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Sep 20, 2022 | 1 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Aug 12, 1974 | 1.75 ingolf ball | — | Washington | 13:50 local · NCEI |
| Aug 2, 2015 | 1.25 inhalf dollar | Kohlsville | Washington | 17:30 local · NCEI |
| Sep 20, 2022 | 1.00 inquarter | 1.47 SSW Allenton | Washington | 12:39 local · NCEI |
| Sep 7, 2021 | 1.00 inquarter | Allenton | Washington | 10:22 local · NCEI |
| Apr 7, 2020 | 1.00 inquarter | 0.5 W Allenton | Washington | 14:41 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 5 50%
- 1–2 in 5 50%
- 2 in + 0 0%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Sep 20, 2022 | 1.00 inquarter | 1.47 SSW Allenton | Washington | 12:39 local · NCEI |
| Sep 7, 2021 | 1.00 inquarter | Allenton | Washington | 10:22 local · NCEI |
| Oct 12, 2020 | 0.75 inpenny | 0.5 W Allenton | Washington | 10:28 local · NCEI |
| Apr 7, 2020 | 1.00 inquarter | 0.5 W Allenton | Washington | 14:41 local · NCEI |
| Aug 2, 2015 | 1.25 inhalf dollar | Kohlsville | Washington | 17:30 local · NCEI |
| Apr 25, 2008 | 0.88 innickel | 2.2 W Kohlsville | Washington | 17:07 local · NCEI |
| Apr 30, 2007 | 0.75 inpenny | 5 SE Theresa | Dodge | 19:08 local · NCEI |
| Oct 1, 2006 | 0.75 inpenny | Kohlsville | Washington | 20:55 local · NCEI |
| Jul 3, 2001 | 0.75 inpenny | 2 W Allenton | Washington | 20:55 local · NCEI |
| Aug 12, 1974 | 1.75 ingolf ball | — | Washington | 13:50 local · NCEI |
Hail history near Allenton
Questions about hail in Allenton
How often does it hail in Allenton, Wisconsin?
10 hail reports have been logged in and within about 5 km (3 miles) of Allenton since 1974. Over the 20 years 2006–2025 that averages 0.4 reports a year. That ranks #230 of 271 Wisconsin places by number of reports.
When is hail season in Allenton?
Most reports come in April, August, September. April alone accounts for 30% of all reports.
What is the largest hail recorded in Allenton?
1.75 in (golf ball size) on August 12, 1974. 0% of reports here were 2 inches or larger.
When did it last hail in Allenton?
The most recent report in this data is from September 20, 2022 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Allenton had in the last five years?
1 separate days with hail reports since November 3, 2021, adding up to 1 reports. The most recent was September 20, 2022.
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.