Hail history for Sparta, Wisconsin
NOAA hail reports in and within about 5 km (3 miles) of Sparta since 1964, with preliminary reports to November 3, 2026.
Readout · Sparta
- Last hail
- May 15, 2025
- 1.00 in, quarter size
- Hail days, last 5 years
- 2
- since Nov 3, 2021 · 2 reports
- Largest ever
- 1.75 in
- golf ball · Jun 6, 2011
39 reports on 31 days since 1964 · #14 of 271 Wisconsin places
Hail map · Sparta
- 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 Sparta
The latest hail report in and around Sparta is from May 15, 2025, 1.00 in (quarter size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 1.00 in on May 15, 2025.
Over the 20 years 2006–2025, Sparta logged 30 reports on 22 hail days, about 1.5 reports a year. That is 3.3 times the median Wisconsin town on this site (0.5 a year) and ranks #14 of 271 Wisconsin cities and towns on this site for all-time reports. Sparta accounts for 20% of the 196 reports filed in Monroe 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 June 6, 2011 near 0.6 SSW Angelo.
Reports were down 70% in 2016–2025 (7) compared with 2006–2015 (23). The busiest year was 2015, with 6 reports on 2 days. Hail here peaks in July (31% of reports); 46% fall between April and June.
Reports a year 2006–2025 average
- Sparta 1.5
- Monroe County 5.7
- Median Wisconsin town on this site 0.5
Hail days 2006–2025
- Sparta 22
- Monroe County 47
- Median Wisconsin town on this site 7
Share 2 in or larger of sized reports
- Sparta 0%
- Monroe County 6%
- 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 | 1 | 1 | |||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 1 | 1 | |||||||||||
| 2021 | 1 | 1 | |||||||||||
| 2020 | 1 | 1 | |||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 1 | 1 | |||||||||||
| 2017 | 1 | 1 | 2 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| May 15, 2025 | 1 | 1.00 in | — |
| Jun 15, 2022 | 1 | 0.75 in | — |
Largest hail on record
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Jun 6, 2011 | 1.75 ingolf ball | 0.6 SSW Angelo | Monroe | — | 04:23 local · NCEI |
| Jun 7, 2007 | 1.75 ingolf ball | 3.55 W Sparta | Monroe | $50K | 14:27 local · NCEI |
| Jul 19, 1983 | 1.75 ingolf ball | — | Monroe | — | 18:05 local · NCEI |
| Apr 9, 2015 | 1.50 inping pong ball | 2.07 S Sparta Muni | Monroe | — | 18:35 local · NCEI |
| Apr 9, 2015 | 1.25 inhalf dollar | 0.28 S Leon | Monroe | — | 18:30 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 18 46%
- 1–2 in 21 54%
- 2 in + 0 0%
Most recent reports
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| May 15, 2025 | 1.00 inquarter | 1.47 NNE Sparta | Monroe | — | 15:10 local · NCEI |
| Jun 15, 2022 | 0.75 inpenny | 0.69 S Sparta | Monroe | — | 11:16 local · NCEI |
| Aug 11, 2021 | 1.00 inquarter | 0.5 E Sparta | Monroe | — | 12:15 local · NCEI |
| Aug 14, 2020 | 1.00 inquarter | 2.03 NW Angelo | Monroe | $5K | 23:40 local · NCEI |
| Jun 30, 2018 | 0.88 innickel | 1.47 SSE Sparta | Monroe | — | 16:22 local · NCEI |
| Jul 9, 2017 | 0.75 inpenny | 1.49 W Angelo | Monroe | — | 21:48 local · NCEI |
| May 17, 2017 | 0.75 inpenny | 0.85 NE Sparta | Monroe | — | 16:45 local · NCEI |
| Jul 13, 2015 | 0.88 innickel | 1.7 SW Angelo | Monroe | — | 19:05 local · NCEI |
| Jul 13, 2015 | 1.00 inquarter | Sparta | Monroe | — | 15:38 local · NCEI |
| Jul 13, 2015 | 0.88 innickel | 0.85 NE Sparta | Monroe | — | 15:36 local · NCEI |
| Jul 13, 2015 | 0.75 inpenny | 1.21 SW Sparta | Monroe | — | 15:21 local · NCEI |
| Apr 9, 2015 | 1.50 inping pong ball | 2.07 S Sparta Muni | Monroe | — | 18:35 local · NCEI |
Hail history near Sparta
- West Salem 22 km · 25
- Cashton 22 km · 11
- St. Joseph 25 km · 10
- Tomah 26 km · 35
- Melrose 26 km · 10
- Warrens 31 km · 19
- Onalaska 32 km · 32
- Westby 32 km · 13
Questions about hail in Sparta
How often does it hail in Sparta, Wisconsin?
39 hail reports have been logged in and within about 5 km (3 miles) of Sparta since 1964. Over the 20 years 2006–2025 that averages 1.5 reports a year. That ranks #14 of 271 Wisconsin places by number of reports.
When is hail season in Sparta?
Most reports come in July, June, May. July alone accounts for 31% of all reports.
What is the largest hail recorded in Sparta?
1.75 in (golf ball size) on June 6, 2011 near 0.6 SSW Angelo. 0% of reports here were 2 inches or larger.
When did it last hail in Sparta?
The most recent report in this data is from May 15, 2025 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Sparta had in the last five years?
2 separate days with hail reports since November 3, 2021, adding up to 2 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.