Hail history for Sun Prairie, Wisconsin
NOAA hail reports in and within about 5 km (3 miles) of Sun Prairie since 1963, with preliminary reports to November 3, 2026.
Readout · Sun Prairie
- Last hail
- Apr 14, 2026
- 1.00 in, quarter size
- Hail days, last 5 years
- 8
- since Nov 3, 2021 · 25 reports
- Largest ever
- 2.75 in
- baseball · Aug 3, 1977
53 reports on 33 days since 1963 · #6 of 271 Wisconsin places
Hail map · Sun Prairie
- 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 Sun Prairie
The latest hail report in and around Sun Prairie is from April 14, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 8 separate hail days; the biggest stones in that time were 2.25 in on June 13, 2022.
Over the 20 years 2006–2025, Sun Prairie logged 31 reports on 20 hail days, about 1.6 reports a year. That is 3.4 times the median Wisconsin town on this site (0.5 a year) and ranks #6 of 271 Wisconsin cities and towns on this site for all-time reports. Sun Prairie accounts for 10% of the 555 reports filed in Dane County.
6% 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 2.75 in (baseball) on August 3, 1977.
Reports were up 58% in 2016–2025 (19) compared with 2006–2015 (12). The busiest year was 2026, with 9 reports on 1 day. Hail here peaks in April (25% of reports); 66% fall between April and June.
Reports a year 2006–2025 average
- Sun Prairie 1.6
- Dane County 17.2
- Median Wisconsin town on this site 0.5
Hail days 2006–2025
- Sun Prairie 20
- Dane County 89
- Median Wisconsin town on this site 7
Share 2 in or larger of sized reports
- Sun Prairie 6%
- Dane County 12%
- 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 | 9 | 9 | |||||||||||
| 2025 | 3 | 3 | |||||||||||
| 2024 | 1 | 6 | 7 | ||||||||||
| 2023 | 1 | 1 | |||||||||||
| 2022 | 3 | 1 | 1 | 5 | |||||||||
| 2021 | 1 | 1 | |||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 1 | 1 | 2 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Apr 14, 2026 | 9 | 2.00 in | — |
| May 15, 2025 | 3 | 1.25 in | — |
| Jun 22, 2024 | 6 | 1.75 in | — |
| May 20, 2024 | 1 | 0.75 in | — |
| Oct 23, 2023 | 1 | 0.75 in | — |
| Nov 4, 2022 | 1 | 1.00 in | — |
| Jul 23, 2022 | 1 | 0.75 in | — |
| Jun 13, 2022 | 3 | 2.25 in | — |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Aug 3, 1977 | 2.75 inbaseball | — | Dane | 16:25 local · NCEI |
| Jun 13, 2022 | 2.25 inhen egg | 0.5 W Sun Prairie | Dane | 14:08 local · NCEI |
| Apr 14, 2026 | 2.00 inhen egg | 0.5 W Sun Prairie | Dane | 16:22 local · NCEI |
| Jun 22, 2024 | 1.75 ingolf ball | 2.05 SE Token Creek | Dane | 17:58 local · NCEI |
| Jun 22, 2024 | 1.75 ingolf ball | 2.05 NW Sun Prairie | Dane | 17:54 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 15 28%
- 1–2 in 35 66%
- 2 in + 3 6%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Apr 14, 2026 | 1.00 inquarter | 2.13 ESE Token Creek | Dane | 16:30 local · NCEI |
| Apr 14, 2026 | 1.25 inhalf dollar | Sun Prairie | Dane | 16:30 local · NCEI |
| Apr 14, 2026 | 1.00 inquarter | 0.5 W Sun Prairie | Dane | 16:27 local · NCEI |
| Apr 14, 2026 | 1.00 inquarter | 2.57 SE Token Creek | Dane | 16:26 local · NCEI |
| Apr 14, 2026 | 1.25 inhalf dollar | 2.13 WSW Sun Prairie | Dane | 16:23 local · NCEI |
| Apr 14, 2026 | 1.25 inhalf dollar | 2.13 ESE Marxville | Dane | 16:23 local · NCEI |
| Apr 14, 2026 | 2.00 inhen egg | 0.5 W Sun Prairie | Dane | 16:22 local · NCEI |
| Apr 14, 2026 | 1.25 inhalf dollar | 0.69 S Token Creek | Dane | 16:21 local · NCEI |
| Apr 14, 2026 | 1.00 inquarter | 0.5 W Sun Prairie | Dane | 16:20 local · NCEI |
| May 15, 2025 | 1.25 inhalf dollar | 0.69 S Token Creek | Dane | 15:58 local · NCEI |
| May 15, 2025 | 1.25 inhalf dollar | 0.86 NE Burke | Dane | 15:42 local · NCEI |
| May 15, 2025 | 1.00 inquarter | 1.51 W Sun Prairie | Dane | 15:36 local · NCEI |
Hail history near Sun Prairie
Questions about hail in Sun Prairie
How often does it hail in Sun Prairie, Wisconsin?
53 hail reports have been logged in and within about 5 km (3 miles) of Sun Prairie since 1963. Over the 20 years 2006–2025 that averages 1.6 reports a year. That ranks #6 of 271 Wisconsin places by number of reports.
When is hail season in Sun Prairie?
Most reports come in April, June, May. April alone accounts for 25% of all reports.
What is the largest hail recorded in Sun Prairie?
2.75 in (baseball size) on August 3, 1977. 6% of reports here were 2 inches or larger.
When did it last hail in Sun Prairie?
The most recent report in this data is from April 14, 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 Sun Prairie had in the last five years?
8 separate days with hail reports since November 3, 2021, adding up to 25 reports. The most recent was April 14, 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.