Hail history for Lake Wisconsin, Wisconsin
NOAA hail reports in and within about 5 km (3 miles) of Lake Wisconsin since 1999, with preliminary reports to November 3, 2026.
Readout · Lake Wisconsin
- Last hail
- Apr 27, 2026
- 1.00 in, quarter size
- Hail days, last 5 years
- 3
- since Nov 3, 2021 · 4 reports
- Largest ever
- 1.75 in
- golf ball · Apr 13, 2018
16 reports on 12 days since 1999 · #115 of 271 Wisconsin places
Hail map · Lake Wisconsin
- 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 Lake Wisconsin
The latest hail report in and around Lake Wisconsin is from April 27, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 3 separate hail days; the biggest stones in that time were 1.50 in on April 19, 2023.
Over the 20 years 2006–2025, Lake Wisconsin logged 9 reports on 7 hail days, about 0.5 reports a year. That is about the same as the median Wisconsin town on this site (0.5 a year) and ranks #115 of 271 Wisconsin cities and towns on this site for all-time reports. Lake Wisconsin accounts for 11% of the 148 reports filed in Sauk 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 April 13, 2018 near 3.49 N Merrimac.
Reports were up 25% in 2016–2025 (5) compared with 2006–2015 (4). The busiest year was 2023, with 3 reports on 2 days. Hail here peaks in April (56% of reports); 63% fall between April and June.
Reports a year 2006–2025 average
- Lake Wisconsin 0.5
- Sauk County 3.9
- Median Wisconsin town on this site 0.5
Hail days 2006–2025
- Lake Wisconsin 7
- Sauk County 40
- Median Wisconsin town on this site 7
Share 2 in or larger of sized reports
- Lake Wisconsin 0%
- Sauk County 3%
- 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 | 1 | 1 | |||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 2 | 1 | 3 | ||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 1 | 1 | 2 | ||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Apr 27, 2026 | 1 | 1.00 in | — |
| Jul 16, 2023 | 1 | 1.00 in | — |
| Apr 19, 2023 | 2 | 1.50 in | — |
Largest hail on record
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Apr 13, 2018 | 1.75 ingolf ball | 3.49 N Merrimac | Sauk | — | 07:56 local · NCEI |
| Apr 18, 2002 | 1.75 ingolf ball | Merrimac | Sauk | $2K | 15:33 local · NCEI |
| Apr 19, 2023 | 1.50 inping pong ball | 2.81 N Lodi Lakeland Arpt | Columbia | — | 12:41 local · NCEI |
| Apr 19, 2023 | 1.25 inhalf dollar | 2.04 NE Okee | Columbia | — | 12:38 local · NCEI |
| Apr 27, 2026 | 1.00 inquarter | 2.07 N Merrimac | Sauk | — | 19:22 local · NCEI |
Size of every report
- Under 1 in 5 31%
- 1–2 in 11 69%
- 2 in + 0 0%
Most recent reports
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Apr 27, 2026 | 1.00 inquarter | 2.07 N Merrimac | Sauk | — | 19:22 local · NCEI |
| Jul 16, 2023 | 1.00 inquarter | 0.53 N Okee | Columbia | — | 19:11 local · NCEI |
| Apr 19, 2023 | 1.50 inping pong ball | 2.81 N Lodi Lakeland Arpt | Columbia | — | 12:41 local · NCEI |
| Apr 19, 2023 | 1.25 inhalf dollar | 2.04 NE Okee | Columbia | — | 12:38 local · NCEI |
| Aug 9, 2018 | 0.75 inpenny | 3.01 W Okee | Columbia | — | 14:23 local · NCEI |
| Apr 13, 2018 | 1.75 ingolf ball | 3.49 N Merrimac | Sauk | — | 07:56 local · NCEI |
| Jun 6, 2011 | 1.00 inquarter | 6 SW Dekorra | Columbia | — | 05:00 local · NCEI |
| Apr 25, 2008 | 0.75 inpenny | 2 NE Merrimac | Sauk | — | 15:27 local · NCEI |
| Apr 25, 2008 | 1.00 inquarter | Okee | Columbia | — | 15:25 local · NCEI |
| Mar 21, 2007 | 0.75 inpenny | Okee | Columbia | — | 16:03 local · NCEI |
| Jul 23, 2005 | 0.75 inpenny | Merrimac | Sauk | — | 12:23 local · NCEI |
| Jul 16, 2004 | 0.88 innickel | Merrimac | Sauk | $5K | 14:35 local · NCEI |
Hail history near Lake Wisconsin
- Baraboo 16 km · 16
- Poynette 16 km · 11
- Portage 23 km · 25
- Waunakee 24 km · 10
- DeForest 25 km · 14
- Cross Plains 28 km · 13
- Middleton 30 km · 30
- Pardeeville 31 km · 16
Questions about hail in Lake Wisconsin
How often does it hail in Lake Wisconsin, Wisconsin?
16 hail reports have been logged in and within about 5 km (3 miles) of Lake Wisconsin since 1999. Over the 20 years 2006–2025 that averages 0.5 reports a year. That ranks #115 of 271 Wisconsin places by number of reports.
When is hail season in Lake Wisconsin?
Most reports come in April, July, February. April alone accounts for 56% of all reports.
What is the largest hail recorded in Lake Wisconsin?
1.75 in (golf ball size) on April 13, 2018 near 3.49 N Merrimac. 0% of reports here were 2 inches or larger.
When did it last hail in Lake Wisconsin?
The most recent report in this data is from April 27, 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 Lake Wisconsin had in the last five years?
3 separate days with hail reports since November 3, 2021, adding up to 4 reports. The most recent was April 27, 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.