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Hail in Ozaukee County, Wisconsin
71 hail events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Hail.
NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. Storm records through 30 Jun 2026.
Ozaukee County, Wisconsin, has 71 hail events in the NCEI record since 1950, with at least one in 29 different years.
April is the busiest month, with 17 of the recorded events. The last 20 years account for 36 events against 27 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 0.8% of the 9,265 hail events recorded in Wisconsin; its 30.5 per 100 square miles compares with 17.1 statewide.
14 of the hail reports with a recorded size were golf-ball size (1.75 inches) or larger; the largest recorded stone was 3.00 inches (tea cup size).
Compared with Wisconsin
| Measure | Ozaukee County | Wisconsin | US |
|---|---|---|---|
| Hail events since 1950 | 71 | 9,265 | 424,356 |
| Per 100 square miles | 30.5 | 17.1 | 12.0 |
| Per 10,000 residents | 7.7 | 15.7 | 12.8 |
| Deaths recorded | 0 | 1 | 29 |
| Busiest month | April | May | May |
By year
Seasonality
0Feb
0Mar
5Apr
17May
17Jun
9Jul
13Aug
6Sep
3Oct
1Nov
0Dec
0
Magnitude distribution
NWS hail-size descriptors
- under 1 in
- pea to quarter
- 1–1.74 in
- quarter to golf ball
- 1.75–2.74 in
- golf ball to baseball
- 2.75–3.99 in
- baseball to softball
- 4 in and larger
- softball and larger
Hail size in inches as recorded by NCEI; events without a size are not binned.
Recorded events
All 71 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.
| Date | Event type | Magnitude | Property damage | Crop damage | Deaths | Injuries | Geography |
|---|---|---|---|---|---|---|---|
| 7 May 2024 | Hail | 0.75 in | — | — | — | — | County |
| 7 May 2024 | Hail | 1.00 in | — | — | — | — | County |
| 7 May 2024 | Hail | 0.75 in | — | — | — | — | County |
| 19 Apr 2023 | Hail | 1.00 in | — | — | — | — | County |
| 19 Apr 2023 | Hail | 0.75 in | — | — | — | — | County |
| 7 Apr 2020 | Hail | 2.75 in | — | — | — | — | County |
| 7 Apr 2020 | Hail | 0.75 in | — | — | — | — | County |
| 7 Apr 2020 | Hail | 1.75 in | — | — | — | — | County |
| 7 Apr 2020 | Hail | 1.25 in | — | — | — | — | County |
| 7 Apr 2020 | Hail | 0.75 in | — | — | — | — | County |
| 7 Apr 2020 | Hail | 2.00 in | — | — | — | — | County |
| 7 Apr 2020 | Hail | 1.00 in | — | — | — | — | County |
| 7 Apr 2020 | Hail | 1.00 in | — | — | — | — | County |
| 7 Apr 2020 | Hail | 1.50 in | — | — | — | — | County |
| 10 Aug 2017 | Hail | 0.75 in | — | — | — | — | County |
| 15 May 2017 | Hail | 1.75 in | — | — | — | — | County |
| 15 May 2017 | Hail | 1.75 in | — | — | — | — | County |
| 15 Jun 2016 | Hail | 1.50 in | — | — | — | — | County |
| 15 Jun 2016 | Hail | 1.00 in | — | — | — | — | County |
| 25 Apr 2016 | Hail | 1.50 in | — | — | — | — | County |
| 25 Apr 2016 | Hail | 1.75 in | — | — | — | — | County |
| 25 Apr 2016 | Hail | 1.00 in | — | — | — | — | County |
| 25 Apr 2016 | Hail | 1.00 in | — | — | — | — | County |
| 2 Aug 2015 | Hail | 1.00 in | — | — | — | — | County |
| 2 Aug 2015 | Hail | 1.00 in | — | — | — | — | County |
| 2 Aug 2015 | Hail | 0.75 in | — | — | — | — | County |
| 22 Jun 2012 | Hail | 1.00 in | — | — | — | — | County |
| 28 May 2012 | Hail | 1.25 in | — | — | — | — | County |
| 22 May 2011 | Hail | 1.00 in | — | — | — | — | County |
| 10 Jul 2008 | Hail | 0.75 in | — | — | — | — | County |
| 2 Jul 2008 | Hail | 0.75 in | — | — | — | — | County |
| 2 May 2008 | Hail | 0.75 in | — | — | — | — | County |
| 27 Sep 2007 | Hail | 0.88 in | — | — | — | — | County |
| 5 Jul 2007 | Hail | 0.75 in | — | — | — | — | County |
| 21 Mar 2007 | Hail | 0.75 in | — | — | — | — | County |
| 21 Mar 2007 | Hail | 0.75 in | — | — | — | — | County |
| 2 Oct 2006 | Hail | 0.75 in | — | — | — | — | County |
| 8 Sep 2006 | Hail | 0.75 in | — | — | — | — | County |
| 8 Sep 2006 | Hail | 1.00 in | — | — | — | — | County |
| 17 Jul 2006 | Hail | 0.75 in | — | — | — | — | County |
| 17 May 2006 | Hail | 0.75 in | — | — | — | — | County |
| 13 Apr 2006 | Hail | 1.75 in | $6.3M | — | — | — | County |
| 4 Jul 2005 | Hail | 0.75 in | — | — | — | — | County |
| 30 Jun 2005 | Hail | 0.75 in | — | — | — | — | County |
| 23 Jun 2004 | Hail | 3.00 in | $50K | — | — | — | County |
| 23 Jun 2004 | Hail | 0.75 in | — | — | — | — | County |
| 23 May 2004 | Hail | 1.50 in | — | — | — | — | County |
| 23 May 2004 | Hail | 1.50 in | — | — | — | — | County |
| 23 May 2004 | Hail | 0.75 in | — | — | — | — | County |
| 1 Aug 2003 | Hail | 1.00 in | — | $15K | — | — | County |
| 18 May 2000 | Hail | 1.50 in | $10K | — | — | — | County |
| 8 Mar 2000 | Hail | 0.75 in | — | — | — | — | County |
| 8 Mar 2000 | Hail | 1.50 in | — | — | — | — | County |
| 8 Mar 2000 | Hail | 0.75 in | — | — | — | — | County |
| 11 Jun 1999 | Hail | 0.75 in | — | — | — | — | County |
| 20 Jul 1998 | Hail | 0.75 in | — | — | — | — | County |
| 18 Jul 1996 | Hail | 1.75 in | — | — | — | — | County |
| 18 Apr 1995 | Hail | 0.88 in | — | — | — | — | County |
| 1 Jul 1991 | Hail | 1.75 in | — | — | — | — | County |
| 14 Jun 1991 | Hail | 2.00 in | — | — | — | — | County |
| 27 Jul 1989 | Hail | 2.00 in | — | — | — | — | County |
| 27 Jul 1989 | Hail | 2.50 in | — | — | — | — | County |
| 30 May 1989 | Hail | 0.75 in | — | — | — | — | County |
| 30 May 1980 | Hail | 0.75 in | — | — | — | — | County |
| 18 May 1979 | Hail | 0.75 in | — | — | — | — | County |
| 30 Jul 1976 | Hail | 1.00 in | — | — | — | — | County |
| 19 Jul 1975 | Hail | 1.00 in | — | — | — | — | County |
| 16 May 1974 | Hail | 0.75 in | — | — | — | — | County |
| 26 Aug 1970 | Hail | 1.75 in | — | — | — | — | County |
| 11 Jul 1967 | Hail | 1.00 in | — | — | — | — | County |
| 22 Jun 1961 | Hail | 0.75 in | — | — | — | — | County |
Questions and answers
How many hail events has Ozaukee County had?
71 events in the NCEI Storm Events record between 1950 and 2026. Reporting of hail became far more complete after 1996, so early decades undercount.
When was the last recorded hail event in Ozaukee County?
7 May 2024 (Hail, 0.75 in). Records reach NCEI about 120 days after the month ends.
What was the most damaging hail event recorded in Ozaukee County?
The hail of 13 Apr 2006, with property damage estimated by NCEI at $6.3M.
How does Ozaukee County compare with Wisconsin for hail?
30.5 events per 100 square miles against 17.1 statewide; the county holds 71 of the state's 9,265 recorded events.
Provenance
NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026, public domain. County-recorded events plus zone-recorded events whose forecast zone is named for the county (marked "Forecast zone"). Population and area from the US Census Bureau (2021). Built 1 Oct 2026. See the methodology, the Hail hub and the county page.