Hail history for Oneida County, WI

Oneida County has 142 recorded hail events in the NOAA Storm Events Database — 95 of them 1″ or larger and 13 at 2″ or larger. The largest on record: 3.0″ (tea cup) on July 19, 1963.

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 142 since 1955

1″ or larger 95 NWS severe threshold

2″ or larger 13 hen egg class and up

Largest recorded 3.0″ tea cup · July 19, 1963

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 Oneida County

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

Most recent recorded events

Latest 8 of 142 recorded events · data through April 2026
Date	Size	Comparable to
April 17, 2026	1.25″	Half dollar
October 5, 2024	0.88″	Nickel
April 13, 2024	0.75″	Penny
September 25, 2022	0.75″	Penny
July 14, 2021	1.5″	Ping-pong ball
June 11, 2021	0.75″	Penny
May 31, 2021	1.0″	Quarter
May 31, 2021	1.0″	Quarter

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

From the storm reports

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

April 17, 2026 · 1.25″ (half dollar)

Half dollar size hail fell in Hazelhurst. The time of this report is an estimate based on radar data.

September 4, 2014 · 2.5″ (tennis ball)

Thunderstorms produced hail up to tennis ball size southeast of Lake Tomahawk.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
1	1	0	10	36	28	54	12

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 Oneida County

Has it ever hailed in Oneida County?

Yes — 142 hail events have been recorded for Oneida County, WI in the NOAA Storm Events Database since 1955, including 95 of 1″ (quarter size) or larger.

When did it last hail in Oneida County?

The most recent recorded hail event for Oneida County, WI is April 17, 2026, with 1.25″ (half dollar) 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 Oneida County?

3.0″ (tea cup), recorded on July 19, 1963. 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.