Hail history for Milwaukee County, WI

Milwaukee County has 212 recorded hail events in the NOAA Storm Events Database — 106 of them 1″ or larger and 6 at 2″ or larger. The largest on record: 3.0″ (tea cup) on August 2, 2015.

Records 1950–present Data through April 2026 Peak month April

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 212 since 1956

1″ or larger 106 NWS severe threshold

2″ or larger 6 hen egg class and up

Largest recorded 3.0″ tea cup · August 2, 2015

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 Milwaukee County

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

Most recent recorded events

Latest 8 of 212 recorded events · data through April 2026
Date	Size	Comparable to
April 21, 2026	1.0″	Quarter
April 21, 2026	1.0″	Quarter
April 21, 2026	1.0″	Quarter
April 15, 2026	1.0″	Quarter
April 14, 2026	1.0″	Quarter
September 22, 2025	0.75″	Penny
May 15, 2025	1.0″	Quarter
May 15, 2025	1.75″	Golf ball

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

From the storm reports

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

April 21, 2026 · 1.0″ (quarter)

Pictures provided.

May 7, 2024 · 1.5″ (ping-pong ball)

Picture with measurement shown.

May 12, 2014 · 2.0″ (hen egg)

The large hail resulted in broken windows, dented vehicles, and extensive damage to trees and shrubs.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
2	14	3	13	12	57	50	61

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 Milwaukee County

Has it ever hailed in Milwaukee County?

Yes — 212 hail events have been recorded for Milwaukee County, WI in the NOAA Storm Events Database since 1956, including 106 of 1″ (quarter size) or larger.

When did it last hail in Milwaukee County?

The most recent recorded hail event for Milwaukee County, WI is April 21, 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 Milwaukee County?

3.0″ (tea cup), recorded on August 2, 2015. 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.