Hail history for Dunn County, WI

Dunn County has 132 recorded hail events in the NOAA Storm Events Database — 83 of them 1″ or larger and 7 at 2″ or larger. The largest on record: 2.75″ (baseball) on May 25, 2008.

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 132 since 1961

1″ or larger 83 NWS severe threshold

2″ or larger 7 hen egg class and up

Largest recorded 2.75″ baseball · May 25, 2008

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 Dunn County

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

Most recent recorded events

Latest 8 of 132 recorded events · data through April 2026
Date	Size	Comparable to
May 15, 2025	1.0″	Quarter
April 17, 2025	1.0″	Quarter
August 11, 2023	0.75″	Penny
August 11, 2023	1.0″	Quarter
August 11, 2023	1.25″	Half dollar
July 14, 2023	1.25″	Half dollar
July 14, 2023	1.0″	Quarter
July 10, 2023	0.88″	Nickel

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

From the storm reports

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

May 15, 2025 · 1.0″ (quarter)

Quarter sized hail report via MPING near Elk Mound.

July 20, 2016 · 1.75″ (golf ball)

There were several rounds of golf ball size hail that occurred in New Haven township. This area is between Graytown, and approximately 5 miles northeast of Connorsville.

August 24, 2006 · 2.75″ (baseball)

Hail broke windows, damaged roofs, punched holes in siding, and destroyed crops. Some vehicles were totaled.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
0	4	0	4	11	59	41	13

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 Dunn County

Has it ever hailed in Dunn County?

Yes — 132 hail events have been recorded for Dunn County, WI in the NOAA Storm Events Database since 1961, including 83 of 1″ (quarter size) or larger.

When did it last hail in Dunn County?

The most recent recorded hail event for Dunn County, WI is May 15, 2025, 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 Dunn County?

2.75″ (baseball), recorded on May 25, 2008. 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.