HailHistoryHail by countyWisconsin › Iron County

Wisconsin · county FIPS 55051

Hail history for Iron County, WI

Iron County has 40 recorded hail events in the NOAA Storm Events Database — 19 of them 1″ or larger. The largest on record: 1.75″ (golf ball) on April 18, 2002.

Records 1950–present Data through April 2026 Peak month June
Core sample · every recorded event, 1955–2026
1950s 1960s 1970s 1980s 1990s 2000s 2010s 2020s 1955 through 2026 largest · 1.75″ golf ball April 18, 2002

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 40 since 1980
1″ or larger 19 NWS severe threshold
2″ or larger 0 hen egg class and up
Largest recorded 1.75 golf ball · April 18, 2002
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 Iron County

Jan Feb Mar 3 Apr 4 May 12 Jun 5 Jul 6 Aug 10 Sep Oct Nov Dec

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

Most recent recorded events

Latest 8 of 40 recorded events · data through April 2026
DateSizeComparable to
0.75″ Penny
1.5″ Ping-pong ball
0.75″ Penny
0.75″ Penny
1.0″ Quarter
1.25″ Half dollar
1.25″ Half dollar
1.25″ Half dollar

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

From the storm reports

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

· 0.75″ (penny)

A member of the public called in reporting pea to dime size hail.

· 0.88″ (nickel)

The hail fell for about 5 minutes. The largest stones were a little less than one inch in diameter.

· 1.0″ (quarter)

A thunderstorm dropped pea to quarter size hail. Wind gusts knocked down a 6 inch diameter tree.

Events by decade

1950s1960s1970s1980s1990s2000s2010s2020s
0003161713

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 Iron County

Has it ever hailed in Iron County?

Yes — 40 hail events have been recorded for Iron County, WI in the NOAA Storm Events Database since 1980, including 19 of 1″ (quarter size) or larger.

When did it last hail in Iron County?

The most recent recorded hail event for Iron County, WI is June 5, 2024, with 0.75″ (penny) 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 Iron County?

1.75″ (golf ball), recorded on April 18, 2002. Hail that size meets or exceeds the National Weather Service severe threshold. 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.