Hail history for Green Lake County, Wisconsin
Every NOAA hail report filed in Green Lake County since 1964, with preliminary National Weather Service reports to November 3, 2026.
Readout · Green Lake County
- Last hail
- Aug 9, 2026
- 0.70 in, marble size · preliminary
- Hail days, last 5 years
- 6
- since Nov 3, 2021 · 7 reports
- Largest ever
- 3.00 in
- teacup · Aug 3, 1997
74 reports on 57 days since 1964 · #61 of 73 Wisconsin counties
Hail map · Green Lake County
- 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 Green Lake County
The latest hail report in Green Lake County is from August 9, 2026, 0.70 in (marble size). Since November 3, 2021 there have been 6 separate hail days; the biggest stones in that time were 1.25 in on May 15, 2025.
Over the 20 years 2006–2025, Green Lake County logged 30 reports on 19 hail days, about 1.5 reports a year. That is about half the median Wisconsin county (3.5 a year) and ranks #61 of 73 Wisconsin counties for all-time reports. Green Lake County holds 1% of all 9,358 hail reports in Wisconsin.
4% of reports with a size were 2 inches (hen egg) or larger, against 7% for the median Wisconsin county. The largest hail on record here is 3.00 in (teacup) on August 3, 1997 near Green Lake.
Reports were down 50% in 2016–2025 (10) compared with 2006–2015 (20). The busiest year was 2006, with 8 reports on 4 days. Hail here peaks in May (20% of reports); 47% fall between April and June.
Reports a year 2006–2025 average
- Green Lake County 1.5
- Median Wisconsin county 3.5
Hail days 2006–2025
- Green Lake County 19
- Median Wisconsin county 37
Share 2 in or larger of sized reports
- Green Lake County 4%
- Median Wisconsin county 7%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1 | 1 | 1 | 1 | 4 | ||||||||
| 2025 | 2 | 1 | 3 | ||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 2 | 2 | |||||||||||
| 2020 | 1 | 1 | |||||||||||
| 2019 | 2 | 2 | |||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 1 | 1 | 2 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Aug 9, 2026 | 1 | 0.70 in | View |
| Jul 1, 2026 | 1 | 1.00 in | — |
| Apr 14, 2026 | 1 | 1.00 in | — |
| Mar 31, 2026 | 1 | 1.00 in | — |
| Aug 16, 2025 | 1 | 0.75 in | — |
| May 15, 2025 | 2 | 1.25 in | — |
Largest hail on record
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| Aug 3, 1997 | 3.00 inteacup | Green Lake | — | 18:35 local · NCEI |
| May 12, 2000 | 2.75 inbaseball | 10 W Berlin | $1.5 million4 injured | 09:48 local · NCEI |
| Aug 18, 1973 | 2.75 inbaseball | — | — | 14:45 local · NCEI |
| May 22, 2011 | 1.75 ingolf ball | 8.2 N Princeton | — | 14:38 local · NCEI |
| May 22, 2011 | 1.75 ingolf ball | 8 N Princeton | — | 14:22 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 34 46%
- 1–2 in 37 50%
- 2 in + 3 4%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Aug 9, 2026 | 0.70 inmarble | 5 SW Kingston | 14:28 UTC · NWS prelim. |
| Jul 1, 2026 | 1.00 inquarter | 1.47 SSW Markesan | 10:37 local · NCEI |
| Apr 14, 2026 | 1.00 inquarter | 1 W Princeton | 17:12 local · NCEI |
| Mar 31, 2026 | 1.00 inquarter | Princeton | 07:43 local · NCEI |
| Aug 16, 2025 | 0.75 inpenny | 0.44 NNW Dalton | 14:40 local · NCEI |
| May 15, 2025 | 1.00 inquarter | 3.99 NNE Green Lake | 17:15 local · NCEI |
| May 15, 2025 | 1.25 inhalf dollar | 3.76 NNE Green Lake | 17:04 local · NCEI |
| Sep 7, 2021 | 1.00 inquarter | 0.85 SW Markesan | 09:24 local · NCEI |
| Sep 7, 2021 | 1.00 inquarter | 0.99 W Berlin | 08:18 local · NCEI |
| Aug 25, 2020 | 1.25 inhalf dollar | 2.3 SSW Berlin | 12:49 local · NCEI |
| Aug 7, 2019 | 1.50 inping pong ball | 2.3 SSW Berlin | 19:20 local · NCEI |
| Aug 7, 2019 | 1.00 inquarter | 2.3 SSW Berlin | 19:02 local · NCEI |
Cities and towns in Green Lake County
| Place | Reports | Largest |
|---|---|---|
| Berlin | 19 | 2.00 in |
| Princeton | 13 | 1.75 in |
| Green Lake | 10 | 3.00 in |
Smaller places with fewer than 10 reports
These places have too few reports for a page of their own, so their record lives here.
| Place | Reports | Hail days | Latest |
|---|---|---|---|
| Markesan | 9 | 9 | Jul 1, 2026 |
| Dalton | 7 | 7 | Aug 9, 2026 |
| Kingston | 6 | 5 | Apr 25, 2008 |
| Fairwater | 3 | 3 | Jul 1, 2006 |
| Marquette | 2 | 2 | May 28, 2012 |
Questions about hail in Green Lake County
How often does it hail in Green Lake County, Wisconsin?
74 hail reports have been logged in Green Lake County since 1964. Over the 20 years 2006–2025 that averages 1.5 reports a year. That ranks #61 of 73 Wisconsin counties by number of reports.
When is hail season in Green Lake County?
Most reports come in May, July, April. May alone accounts for 20% of all reports.
What is the largest hail recorded in Green Lake County?
3.00 in (teacup size) on August 3, 1997 near Green Lake. 4% of reports here were 2 inches or larger.
When did it last hail in Green Lake County?
The most recent report in this data is from August 9, 2026 (0.70 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Green Lake County had in the last five years?
6 separate days with hail reports since November 3, 2021, adding up to 7 reports. The most recent was August 9, 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.