Hail history for Green Lake County, WI

Green Lake County has 72 recorded hail events in the NOAA Storm Events Database — 39 of them 1″ or larger and 3 at 2″ or larger. The largest on record: 3.0″ (tea cup) on August 3, 1997.

Records 1950–present Data through April 2026 Peak month May

Core sample · every recorded event, 1955–2026

Mark size = measured hail diameter; slivers are events with no recorded size. Amber ≥2″, red ≥2.75″ (baseball class). Denser recent decades partly reflect better reporting, not only more storms.

Recorded events 72 since 1964

1″ or larger 39 NWS severe threshold

2″ or larger 3 hen egg class and up

Largest recorded 3.0″ tea cup · August 3, 1997

Read the record honestly: Storm Events contains what was reported to the National Weather Service. Sparse or rural counties under-report, and coverage improved sharply after the mid-1990s — a quiet-looking stretch is not proof nothing fell.

When it hails in Green Lake County

Recorded events by month, 1950–present. The amber bar marks Green Lake County's peak: May.

Most recent recorded events

Latest 8 of 72 recorded events · data through April 2026
Date	Size	Comparable to
April 14, 2026	1.0″	Quarter
March 31, 2026	1.0″	Quarter
August 16, 2025	0.75″	Penny
May 15, 2025	1.0″	Quarter
May 15, 2025	1.25″	Half dollar
September 7, 2021	1.0″	Quarter
September 7, 2021	1.0″	Quarter
August 25, 2020	1.25″	Half dollar

Looking for a specific storm? Use the did-it-hail date lookup for Green Lake County.

From the storm reports

Narratives as filed with the NOAA Storm Events Database (public records; lightly trimmed for length).

April 14, 2026 · 1.0″ (quarter)

Public report of 1 inch diameter hail in Princeton.

July 27, 2009 · 1.5″ (ping-pong ball)

An emergency management official reported hail up to 1.50 inches in diameter covered the ground on Grand Ave. on a farm about about 3 miles northwest of the Village of Dalton. Hail stones still measured 1 inch in diameter 18 hours later at this location which was shaded by trees and a corn crop.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
0	1	2	6	14	30	11	8

The climb across decades is largely a reporting story: spotter networks, radar, and digital filing pulled far more storms into the record after the 1990s.

Questions about hail in Green Lake County

Has it ever hailed in Green Lake County?

Yes — 72 hail events have been recorded for Green Lake County, WI in the NOAA Storm Events Database since 1964, including 39 of 1″ (quarter size) or larger.

When did it last hail in Green Lake County?

The most recent recorded hail event for Green Lake County, WI is April 14, 2026, with 1.0″ (quarter) hail. The database is currently updated through April 2026, so a storm from the last few weeks may not appear yet. To check a specific day, use the did-it-hail date lookup.

What is the largest hail ever recorded in Green Lake County?

3.0″ (tea cup), recorded on August 3, 1997. Hail that size is destructive-class and typically damages roofs, vehicles, and siding. See how big that really is on the actual-size hail chart.

Does a recorded hail event mean my roof was damaged?

No. This page reports storm records, not damage. Hail size and damage vary block by block within a county, and only an inspection can establish what happened to a specific roof. If you suspect damage, talk to your insurer or a licensed roofer — they can pull the same NOAA records for your claim.

More Wisconsin hail history

All 72 Wisconsin counties, ranked by recorded hail →

Source: NOAA/NCEI Storm Events Database, public domain, updated monthly by NCEI — this site's copy runs through April 2026. HailHistory reports records; it does not give insurance advice or assess damage.